Failed To Authenticate On Smtp Server With Username

My example program uses Gmail SMTP server. email@gmail. The Google preferred authentication method is OAuth2. This method is slightly different to my previous post about sending email messages in Powershell as this method uses the smtpClient method rather than mailmessage in order to allow for authentication to occur. 42 As you can imagine, the ip address changes with each batch so I can't issolate the attacks by ip. If problem persists, submit the ticket to Technical Support Department Could be caused because the username has had SMTP disabled either by an admin manually (by Abuse dept request) or automatically for going over threshold by the abuse system 1. Office 365 SMTP Relay User Case: Customer has several SMTP clients in the LAN (P rinter, Health monitor Application) that needs to relay Email through O365. Only our development server which is hosted on Digital Ocean fails to send emails and gets the same message listed above. Click the Gmail Settings icon at the top-right of the page. hello friends after a long time i'm going to post a simple yet useful post here about SMTP mails, i received few email requests from my readers to post email verification feature in my login and registration tutorial i'll post email verification tutorial after this post this was first step to send emails from localhost and online server as well for that you have to use PHPMailer library, so. 8 Username and Password not accepted. postmarkapp. The mail server responds with 235 Authentication successful. Required Authentication not given. LDAP Authentication Help. telnet mailserver. There is no glue, how to enhance this mechanism to allow SMTP Authentication for the users defined therein. Configure the properties of [SMTP Virtual Server #1] as follows: On the Access tab: Authentication: Only Anonymous access is checked. There is no glue, how to enhance this mechanism to allow SMTP Authentication for the users defined therein. If you receive the 220 response you can reach the SMTP server and there is no connectivity problem but if the connection to the server failed see what's wrong in your network. We currently have K2 deployed on our production server. To authenticate via SMTP, your Verizon username and password are required. However, I want to authenticate with the standard SMTP server with a username + password and send e-mail using "standard clients". To determine the schemes the SMTP server supports from its EHLO reply, the user must call the EHLO Function and Procedure. PASS_response: -ERR Authentication failed. LDAP Authentication Help. Maybe the server need to authenticate the user, please check it and try again interestingly, this is a different message than is returned when i try other services ("The server does not support the authentication mode used by the device"). SMTP Username: The username to connect to your SMTP server. Assuming that you have an ATT email address, think of the Notes client as simply replicating with your ATT mail server. This one means the destination mail server doesn't think the user/domain in question is a local user, and so it's telling you it won't 'relay' the message to that destination for you. Thanks for. Click on the Servers tab. My ISP requires that mail from my dynamic IP to our small business email addresses uses their outgoing SMTP servers. Email SMTP Server property values. 7 The network was reset during user authentication. I have created a new email address in gmail, which works fine, but now I receive the message "Authentication failed, Invalid Username or Password", when I select "Test Email". authentication failed: to use mechanism "SMTP -_ ERROR: AUTH not accepted from server: 535 5. It implies a coarse-grained authentication, given that domains appear on the right part of email addresses, after the at sign. 0 Temporary authentication failure Event ID: 1035 is logged when some e-mail messages are stuck in a remote delivery queue in a Microsoft Exchange Server 2007 environment or in a Microsoft Exchange. secureserver. SMTP Authentication: No/Yes (This option should always be checked “Yes”) Username: The username for SMTP mail server (example: abc123@gmail. --CopyMail --ChilkatLog. If it doesn't work, ask your friends in IT what authentication method your SMTP server is using. x * Open Apple Mail * From the Mail menu choose Preferences * Click on the "Accounts" tab * Click on the box labelled "Outgoing Mail Server (SMTP)" and choose Edit SMTP server list. Use --server-auth =/pam and/or --pop-auth =/pam on the command-line to use PAM authentication for SMTP and POP respectively. The Google preferred authentication method is OAuth2. An e-mail address or another attribute could not be found in Active Directory. After configuring SMTP server settings, go to Advanced tab. Hi, Just experienced the same issue a few minutes ago. Please revise your settings. Use this feature with SMTP servers that do not allow Anonymous connections, or with SMTP servers that allow both authenticated and non-authenticated connections. You can allow on your SMTP server PLAIN authentication method or setup another authentication method in PAP4 in Configuration> Mail accounts> SMTP settings - you can choose authentication method which should be used during authentication to SMTP server (consult this with your server administrator). Table of Contents. the oracle guys says that we have to logon with "oracle@xxx. This prevents illegal use of the SMTP server. AUTH not supporting the exact login method of the used smtp server. php line 181: Failed to authenticate on SMTP server with username "info@domain. ) Click on 'Outgoing Server (SMTP)' from the box on the left 7. The homeMDB attribute corresponds to the Exchange server on which the user’s mailbox resides. Let’s look at the settings and configure some of them, so we can unlock all of the awesome features of the server and the Azure Multi-Factor Authentication Service for our organization! As stated in Part 2 of this series, settings for users, appliances, and agents are located in the management. Contact with your ISP for Blocked SMTP Port Number: Might be, your ISP has blocked the port number 25 for SMTP authentication and you are still using the same port to send emails through. Email SMTP Server property values. This made me nuts and may make you or any one this forum as well. The AUTH command is an ESMTP command (SMTP service extension) that is used to authenticate the client to the server. Usually this password is case-sensitive. net 250-OMTA08. Apple Mail 5. Email authentication is a necessary first step towards identifying the origin of messages, and thereby making policies and laws more enforceable. In order to use this server to send emails, you must first activate SMTP relay on your e-mail account. It's asking for -name or IP address of yahoo's SMTP Server (or outbound mail server) -The SMTP Port. Account less secure app turned ON, also Recapture enabled. php:756) I would love to have it working. If somebody alternate between more IP providers (typically "free Internet" dialup access users) and needs SMTP server for sending mail, he can:. com isthe user account which have an email account also. This can happen even if it is able to receive mail successfully. The responsible submitter is the e-mail address of the entity most recently responsible for introducing a message into the transport stream. If you receive the 220 response you can reach the SMTP server and there is no connectivity problem but if the connection to the server failed see what's wrong in your network. The user's mailbox was unavailable. However, I am not able to authenticate myself. This mechanism allows the use of OAuth 2. APPLIES TO: 2013 2016 2019 SharePoint Online When users try to connect to a web application, logs record failed authentication events. Titan Classifieds Site - Swift_TransportException Failed to authenticate on SMTP server Discussion in 'Site & Server Administration' started by Prince Gift, Jun 29, 2013. com (not domain/username) Option 2:. com) and your password. ERROR: Exception occurred while flushing email queue: Failed to authenticate on SMTP server with username "USERNAME" using 2 possible authenticators [] [] The issues is caused by the encryption and port missing from the swift mailer configuration. SASL authentication in the Postfix SMTP server. Also, please make sure SSL is checked in incoming and outgoing ports. Re: remote server certificate authentication failed using smtp. POP User Name: Enter the POP account name. If you use 2-step authentication this should be the other way around, switch from user name and password to ouath. Where the SMTP authentication data is to be found. There is no glue, how to enhance this mechanism to allow SMTP Authentication for the users defined therein. But when I set up True Image 2015 backup to use the Exchange server, encryption "None" and valid network username and password credentials I get "Authentication failed" and an event code that takes me to an Acronis support page that says username and password are wrong. SMTP Port: The port to be. So, we know emailing via the Exchange server can work. au" using 2 possible authenticators I am trying to send emails from my application using SMTP server. With PHPMailer you can even use your own SMTP server and avoid Sendmail routines used by the mail() function. Just send the SMTP traffice to a different server. 1) modifying the SMTP User Authentication details in GroupMail, contact the host of the mail server you are using to. It’s simple just few lines of configuration changes. but it showing Authentication Failed plz help me Last edited by coolboys; 04-17-2012 at 01:34 PM. When mail is sent to the SMTP server, authentication is performed using the SMTP AUTH protocol by prompting the mail originator to enter the user name and password. A connector in the Office 365 exchange admin console has been configured to allow traffic from the dedicated IP and has been configured as a "Your organization's email server" When the SMTP server connects, with no authentication, just by IP, the server rejects the connection, despite the connection coming from the whitelisted IP. Getting this far indicates that your connection to smtp. Follow these steps to block all forms of email delivery and read receipts …. At last, click on "Ok" button to deploy all the settings. Even my ISP couldn’t figure out why it wasn’t working for me. How to Install and Configure SMTP Posted by Dave Davis to Tech Tips on October 3, 2013 Simple Mail Transfer Protocol (SMTP) is a protocol used on a daily basis by everyone who sends email. To configure Outlook 98 or 2000 or Outlook Express accounts to use SMTP authentication take the steps below :- 1. This tutorial will focus on setting up a Postfix SMTP server to use Dovecot SASL for user authentication. Failed to connect mail server. com" using 1 possible authenticators (library/class. Select the Close box in the upper-left corner or the Settings window, and click "OK" to close. If the server needs auth try to authenticate on the server by username and password and see if something goes wrong. Once you have configured WSO2 Identity Server for account locking by failed login attempts, you can also configure the WSO2 IS to send an email to the user's email address when the user account is locked due to failed login attempts. Maybe there was a recent change on their end in regards to policy. Or the SMTP Settings are for your custom SMTP server username, password and server address/port etc. About this Guide; 2. net is an SMTP relay server. Thus, go into the Account Settings, Outgoing Server, and Edit the configuration by unchecking that option. The smtplib module defines an SMTP client session object that can be used to send mail to any Internet machine with an SMTP or ESMTP listener daemon. Failed to authenticate on SMTP server with username "[email protected]" using 2 possible authenticators. The steps listed below explain how to get SMTP mail working on Joomla 3. If you try to search for “SMTP Server: Authentication failed for user” you find some good knowledge on the net, and one of the best is Protect your IBM Lotus Domino Server against brute force attacks on non HTTP ports by Christian Brandlehner. 1 Lee Forst Mar 31, 2017 8:37 AM ( in response to Tharashasank Davuluru ) Yes, in Server configuration on the SMTP Setup tab. com SMTP Port: 465 Use SSL Username: my. JavaMail API – Sending email via Gmail SMTP example. SMTP client module to connect to SMTP servers and send mail with it. Authenticator XOAUTH2 returned Swift_TransportException: Expected response code 250 but got code \"535\", with message \"535-5. com but has one for smtp. com as the smtp server, port 465; the right username and password. com, Secure Connection: NONE]" the oracle@xxx. 551 `User does not exist. I've seen this happen before with Verizon when a server is down or messed up or whatever (pretty poor message for a service interruption, but whatev). Use --server-auth =/pam and/or --pop-auth =/pam on the command-line to use PAM authentication for SMTP and POP respectively. From the Domains menu set up and verify a new domain, then enable Generate DKIM Settings for the domain. No messages were sent. I could go to system preferences and try to update the password for the account as prompted, and the authentication appeared to succeed, but I got the "Failed to authenticate with Google" message when I tried to accept the management of the account by Google. This may reveal the secret if the other side offers a plaintext authentication mechanism. Hi, I am trying to put the final touches on my postfix/fetchmail setup. Relay: Only the list below. The function that will check the web server response on return string of server type (Apache, Windows IIS, or any other) or ‘False‘ if the connection failed: #check web apache, iis def check_web(host): try: response = urllib. This is the app password you generated earlier, not your Gmail password. SMTP Setup and Authenticate issues with Exchange If you have questions about using mojoPortal, you can post them here. Populate the "User Name" (don't forget to include the domain e. Apple Mail 5. SMTP is a text based protocol in which the sender communicates with the mail receiver by issuing commands and receiving a response code. You can allow on your SMTP server PLAIN authentication method or setup another authentication method in PAP4 in Configuration> Mail accounts> SMTP settings - you can choose authentication method which should be used during authentication to SMTP server (consult this with your server administrator). The purpose of SMTP sender authentication is to authenticate the connection between a Domino router and an SMTP server. com, only SYN. The same works in Thunderbird. My mail settings in env file are as below -. Timeout setting after POP Auth. If you do not successfully authenticate to your own outgoing mail server before sending the email, then your server will deny the email from being relayed on to the recipients server. Swift_TransportException in AuthHandler. Account locking by failed login attempts. If, on the other hand, authentication is not supported by the SMTP server, then this method will throw System. Click on the. Required Authentication not given. For Tableau Server on Windows 2018. Read about proxy support in Nodemailer from here. I'd like to be able to send emails so I installed the SMTP Authentication Support module. and use this *** Email address is removed for privacy *** and password in the SMTP Authentication details. paulstamatiou. The Google preferred authentication method is OAuth2. Select User name and password. The value for the credential hash that the server was sending not calculated using the same nonce used during enrollment, due to which the initial authentication failed and the client requested the server to authenticate itself again. Login as Admin 3. X while using GSuite as your custom domain email provider. Gmail is a fantastic webmail application, but some people find it handier to access their own inbox from an email client like Thunderbird or Outlook: to do that it’s necessary to configure its outgoing server entering the right settings. It supports both Normal/Implicit SSL/Explicit SSL (TLS) connection to do user authentication, and you should use your Yahoo email address as the user name for ESMTP authentication. com SMTP username: Your full Gmail or Google Apps email address (e. I also checked logs on physical firewall, and there is no denies towards smtp. I did all the steps to setup my gmail account to the Outlook-2010, but when i tried to connection testing after all process done, it says enter the user name and password for the following server (Some times server Pop, and some time smtp) what is going over there like problem. 3 AUTH not available, then the SMTP server does not require authentication. The server response was: 5. Replay Problem; Request link in notification does not work. Titan Classifieds Site - Swift_TransportException Failed to authenticate on SMTP server Discussion in 'Site & Server Administration' started by Prince Gift, Jun 29, 2013. Usually this password is case-sensitive. Incoming server. This is caused by a security setting on the Exchange server that doesn't allow plain authentication. Email Server Help. Then copy and paste the password in Base64 format: JHVwM1JzVHIpbmc=. Invalid username. Below are instructions on how to test SMTP AUTH against a mail server using Telnet and entering the commands by hand. 1 Authentication Required Note: If you have not received email then use the following link. si:587 -starttls smtp" I get: Verify return code: 20 (unable to get local issuer certificate) So I thing that I need to get a different cert to fix this. com email addressand password Domain field, leave it blank Tap Manual setup. Re: IIS 6 SMTP virtual server fails with 535 Authentication failed Windows Server 2008 R2 Jul 23, 2013 03:31 PM | jeff@zina. Smtp login problem 535 5. You are probably not authenticating with the SMTP server and it is therefore not allowing mails to be sent. At last see if the server requires encryption and if yes openssl and other stuff are configured correctly. As Dovecot provides mechanisms for user authentication, Postfix will simply ask Dovecot to do the work for it. Re: remote server certificate authentication failed using smtp. Tried all type of authentication method. com, only SYN. In order to use this server to send emails, you must first activate SMTP relay on your e-mail account. In Microsoft Outlook 2007, for example, you would go to Tools > Account Settings > click the account and click Change > More. The first thing you need to do is get a base64 encoding of your username and password. As well, the username/password client was using as the mail server logon credentials in Cognos connection was not seen in the Global Address List. Am I missing something here or am I supposed to use some other library for this? Thanks in advance, Ram Are you sure that your SMTP server uses this type of authentication? Some SMTP servers. If you receive the 220 response you can reach the SMTP server and there is no connectivity problem but if the connection to the server failed see what's wrong in your network. (If using SeaMonkey: go to "Edit -> Mail & Newsgroup Account Settings -> Outgoing Server (SMTP)". Authentication with our mail server has failed. Specify the SMTP account name in the Name field, and the SMTP password in the Password field. I configure and follow this link. Then I removed the 'suggested' definitions from wp-config. However, I want to authenticate with the standard SMTP server with a username + password and send e-mail using "standard clients". Thank you! This one had been driving me nuts. Select the Close box in the upper-left corner or the Settings window, and click "OK" to close. Then you have to fill the hostname such as synology-no-ip. Resolution. The mail server responds with 235 Authentication successful. Abstract This memo defines an extension to the Simple Mail Transfer Protocol (SMTP) service that allows an SMTP client to specify the responsible submitter of an e-mail message. Given below is program which can be used to send emails using Gmail SMTP server. In the User name and Password fields, type your user name and password. This sounds familiar, you may have "user name and password" checked (and possibly a user name specified) for a server which does not require such authentication. 1 system (Jan. This can happen even if it is able to receive mail successfully. No authentication username and password are specified so the Enterprise Gateway does not attempt to authenticate with the server. Assumptions: Customer has a working O365 Tenant. This mechanism allows the use of OAuth 2. I have a customer that needs to relay mail through their Exchange server. SMTP Authentication is not needed when emails are received for your domain from the Internet. Contact entries without the targetAddress attribute set can cause this problem. Hi, I am trying to authenticate a user over IMAP and I have several issues. xml file, you MUST restart the administrative server for the changes to take effect. X while using GSuite as your custom domain email provider. Anonymous Authentication: The SMTP server does not require any authentication. Using SMTP authentication I had everything working. My ISP requires that mail from my dynamic IP to our small business email addresses uses their outgoing SMTP servers. Having your post rated as helpful. For Tableau Server on Windows 2018. This document defines an SMTP service extension [ESMTP] whereby an SMTP client may indicate an authentication mechanism to the server, perform an authentication protocol exchange, and optionally negotiate a security layer for subsequent protocol interactions. Note : Please make sure the full email address is entered in "Email address" and "Username" field. The Microsoft SMTP server does not support any of the perfect forward secrecy suites at the 256 bit encryption level. Note down the application password as it will be required in the next step. com MAIL_PASSWORD=password MAIL_ENCRYPTION=. If is set, you are authenticated to the POP server before using the SMTP communication. As username, enter your yourname@hotmail. Take a note of any settings you change. The Identity Server can be configured to lock a user account when a number of consecutive failed login attempts are exceeded. At last, click on "Ok" button to deploy all the settings. Failed to authenticate SMTP server with "email" using two possible authentications. On this page ensure the Server name is correct. The following properties are used to configured the inbound SMTP email server. Below are instructions on how to test SMTP AUTH against a mail server using Telnet and entering the commands by hand. PHPMailer can use a non-local mail server (SMTP) if you have authentication. Especially SMTP servers which are accessible through the internet require a login (SMTP authentication). The Identity Server can be configured to lock a user account when a number of consecutive failed login attempts are exceeded. Configuring email on the collector should have worked without any issues. Hi, I'm having a similar issue. The correct format is: username@domain. Setting Up An Authenticated Relay Server. Re: sendmail SMTP authentication Post by solvnetguru » Sun Apr 13, 2008 7:18 pm I forgot to add that you have to create a sendmail. Hi, I am trying to authenticate a user over IMAP and I have several issues. Contact entries without the targetAddress attribute set can cause this problem. ) Click on 'Outgoing Server (SMTP)' from the box on the left 7. Communication over IPv6 with snmp is available. If you are a non-technical user, then it is quite difficult to solve this problem without any guidance. Snmp over IPv6 is ready. Authorization refers to the process of determining what permissions an authenticated client has for a specific resource. How do I relay mail through my. and when running "openssl s_client -connect mail. Machine authentication default user role configured in the 802. Issue observed in v1. It's not uncommon for ISPs to block outbound SMTP traffic, unless you're a business user. Determine whether devices and applications will authenticate or connect anonymously. Failed to connect to SMTP server. Just send the SMTP traffice to a different server. A workaround for this problem is to setup a relay server at your location that supports authentication. Email SMTP Server property values. (The webmail one should be working without you having to type in server namesbut, for something like Outlook Express to work, you have to set up an account and type in your incoming. POP Password: To set or change the POP password. If you are a non-technical user, then it is quite difficult to solve this problem without any guidance. To fix this issue, you need to: 1) Login to your Gmail account using the web browser 2) Click on this link to enable applications to access your account:. For an example of how to set up an email-sending application to authenticate with Amazon SES, see Configuring Email Clients to Send Through Amazon SES. However, I am not able to authenticate myself. Below are the instructions on how to test SMTP Auth using telnet: The first thing you need to do is get username and password in base64 encoding. Look a bit deeper at exactly which SMTP server is being used in each case and with what credentials. Verify that "Authentication" is set to "Password. com SMTP username: Your full Gmail or Google Apps email address (e. In most cases when you are using exchange server, you will need to log in with username not with the email address, in this case, Perfex CRM will use the SMTP Username field to log in to your mail server instead of the email address, however the Email address you filled above will be still used as a FROM header. 6 Build 151229 Also the less secure apps setting is disabled in the gmail account. com MAIL_PASSWORD=password MAIL_ENCRYPTION=. Once that is properly configured, it really is irrelevant what email address you are sending to, gmail, hotmail, corporate email or otherwise. here are my SMTP details: MAIL_DRIVER=smtp MAIL_HOST=mail. From the Outlook Menu Bar click on Tools. I have a VPS with plesk 12 I created an email account with one of my domains and when I try to send emails from this account through webmal of. A workaround for this problem is to setup a relay server at your location that supports authentication. com MAIL_PORT=25 MAIL_USERNAME=info@domain. Outlook Anywhere and OWA both route the email data through the IIS server, or a user on a VPN will appear to be on the. Uncheck 'Use name and password' for that server or contact your service provider. [Use SMTP Authentication (SMTP AUTH)] To enable authentication on the SMTP server, select the check box and enter up to 64 characters in the [User Name] text box. Click the Forwarding and POP/IMAP tab. Issue #3 – I suddenly stopped receiving my emails, or received a quota limit warning!! The Email accounts in the Control Panel will, by default, be created with a quota of 250MB, unless you manually change it during the creation, or at some point after (BEFORE your quota is maxed out!!). Architecture and Compatibility; 3. For those of you getting the "Failed to authenticate on SMTP server with username "xxxx" using 2 possible authenticators", Follow the link in the security email that gmail sends you for "allow less secure apps" and turn that on. Then I removed the 'suggested' definitions from wp-config. Contact the site administrator if the problem persists. local\username" using 0 possible authenticators What specific Snipe-IT page you're on, and what specific element you're interacting with to trigger the error. com" not "oracle". Also enabled a public user account. com for the SMTP server name. Complete the SMTP settings. POP3 authentication failed --Pop3Authenticate Authentication failed. See the notes on SMTP Authentication in the overview. The Microsoft SMTP server does not support any of the perfect forward secrecy suites at the 256 bit encryption level. Now copy and paste the user name in Base64 format we encrypted earlier: dGVzdF91c2VyQHdvc2h1Yi5jb20g. As a result of this. Ecommerce Prestashop smtp integration error: Failed to authenticate on SMTP server with username using 2 possible authenticators Problem reported by dejan dejanovic - January 30, 2017 at 6:55 AM Submitted. A connector in the Office 365 exchange admin console has been configured to allow traffic from the dedicated IP and has been configured as a "Your organization's email server" When the SMTP server connects, with no authentication, just by IP, the server rejects the connection, despite the connection coming from the whitelisted IP. Gmail SMTP server – smtp. com" to "user@anotherdomain. useful when you do not have a SMTP relay to use. I configured an IMAP & SMTP Client with Thunderbird, working perfectly. They can be set in config/config_local. Now, use the testing section to send a test email and make sure the. If you do not want to use your ISPs server for SMTP, and the ISP is blocking port 25, you can switch the port to 587 for your outgoing mail and use mail. If you are connecting via IMAP, set the following JVM System property:. As a result of this requirement, any email sent over the Verizon servers can be traced back to the sender. PHP send email using PHP SMTP mail Pear functions – Sample source code. If you still have any issues in configuration, send us the screenshot of (incoming and outgoing) server settings so that we can check and assist you. If somebody alternate between more IP providers (typically "free Internet" dialup access users) and needs SMTP server for sending mail, he can:. 1 Lee Forst Mar 31, 2017 8:37 AM ( in response to Tharashasank Davuluru ) Yes, in Server configuration on the SMTP Setup tab. AUTH not supporting the exact login method of the used smtp server. In your app/config/config. up Trying to log in to this account failed. credential setting in one of your. Before posting, please read the troubleshooting guide. php:756) I would love to have it working. These activities can increase your level in a forum: Post an answer. Note down the application password as it will be required in the next step. As username, enter your yourname@hotmail. The AUTH command sends the clients username and password to the e-mail server. It allows you to configure an SMTP server to send email from your website. Failed to authenticate on SMTP server with username using 2 possible authenticators #827 danielloader opened this issue Apr 26, 2016 · 2 comments Comments. com) and your password. Usually this password is case-sensitive. This may reveal the secret if the other side offers a plaintext authentication mechanism. However, I am not able to authenticate myself. log: SASL LOGIN authentication failed: authentication failure And when i use the. Assuming that you have an ATT email address, think of the Notes client as simply replicating with your ATT mail server. Re: sendmail SMTP authentication Post by solvnetguru » Sun Apr 13, 2008 7:18 pm I forgot to add that you have to create a sendmail. Timeout setting after POP Auth. Thank you! This one had been driving me nuts. I'm on Windows 7, using PHPMailer 5. For example, in MS Outlook, it shows 'User Information', 'Server Information' and 'Login Informaion'. iCloud does not support POP. Failed to authenticate on SMTP server with username "domain. SMTP authentication for Qmail While SMTP authentication? Almost all SMTP servers do not permit SMTP relay - it is defense again spam. This can happen even if it is able to receive mail successfully. com” using 1 possible authenticators). com" not "oracle". The smtp server need SMTP AUTH in order to send email with SMTP. com SMTP Port: 465 Use SSL Username: my.