Is port 587 available for email sending?

Yes, port 587 is available for SMTP sending with or without TLS/SSL.


  • 109 Users Found This Useful

Was this answer helpful?

Related Articles

Receiving reported error (0x80042108)

This error can occur for many reasons. We have found it is most common when your inbox needs to...

550 Access denied - Invalid HELO name

The error message "550 Access denied - Invalid HELO name" means that the server you are trying to...

Domain has exceeded the max defers and failures per hour

You may receive the following error message. "Domain has exceeded the max defers and failures per...

Domain has exceeded the max defers and failures per hour

This is a feature on the server to help reduce account SPAM. When you receive this error it is a...

Emails Bouncing Back

If emails sent to your account bounce back to the sender with the following message...A message...