Is port 587 available for email sending?

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


  • 111 Users Found This Useful

Was this answer helpful?

Related Articles

503 valid RCPT command must precede DATA

When attempting to send email you receive the following message in your mail client software:...

cPanel and Outlook Phone App Results in Unable to Log In - Secure Connection Unavailable

It appears the free Outlook app for iOS and Android phone does not support newer SNI based...

Outlook: A Filtering Error Has Occurred -199

When you open Outlook Express 4.5 for Macintosh, or you attempt to send or receive mail, you may...

Receiving reported error (0x80042108)

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

What is email forwarding?

Email forwarding will automatically redirect any mail sent to an email address on your domain...