If you are trying this, you will not get this to work using standard SmtpClient and as usually the case with Microsoft, they don't recognize it as an issue. You see, WorkMail allows only connections that start from SSL and the SmtpClient first starts from unencrypted and then switches over to encrypted if it cannot connect. NET Core SmtpClient does not support StartSSL (implicit SSL) which is the only accepted option by WorkMail. A quick guide to getting up and running is here :
Just in my personal experience, I think Mailkit is great and super easy to use. Much to some developers chargrin who don't want to use a third party library for such a "simple" and common feature.
Shortcut bar in amazon workmail full#
MailKit is actually being pushed by Microsoft full stop for people to use when it comes to Email. It's kinda deprecated, but not being marked so in some official docs. It would instantly make any project that is using SmtpClient with Warnings as Errors turned on suddenly stop building. NET Core team wanted to mark it as obsolete, but some developers have existing projects with "Warnings as Errors" turned on. See comments here ( )Įssentially it boils down to SmtpClient hasn't been updated in years and is missing many features. SMTPClient is actually obsolete/deprecated but is not being marked as so. Although this would not be a relevant solution, I also increased the timeout to 10 seconds (even though this would not be a solution).Īny idea what could be wrong? I am tearing my hair already. We tried switching for 587 for STARTTLS and providing the Username without the domain The server sending has proper SSL certificate installed and the mailserver is exactly the one we have our smtp on. Sadly, the sending always fails with a gateway timeout. Mail.To.Add(new MailAddress(sendToEmail)) The settings are injected and the SmtpClient gets properly instantiated and the sending of the email is just: var mail = new MailMessageįrom = new MailAddress(_smtpSettings.FromAddress, _smtpSettings.SenderName), The configuration is very standard according to Amazon Documentation: What Is Amazon WorkMail? Amazon WorkMail is a managed email and calendaring service with strong security controls and support for existing desktop and mobile email clients.I am trying to send a standard email message through AWS WorkMail using the SmtpClient in. Schedule a Meeting on Behalf of Someone Else. 27 Share Your Contacts with Another User. 23 Share Your Calendar with Another User. 22 Cancel or Decline a Scheduled Meeting. 16 Share an Email Folder with Another User. 6 Log On to the Amazon WorkMail Web Application. 3 Connect Microsoft Outlook to Your Amazon WorkMail Account. Table of Contents What Is Amazon WorkMail?. All other trademarks not owned by Amazon are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Amazon. Amazon's trademarks and trade dress may not be used in connection with any product or service that is not Amazon's, in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Amazon.
Amazon WorkMail: User Guide Copyright © 2016 Amazon Web Services, Inc.
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