Overview
The error indicates that Send Email Action has failed to connect to SMTP server.
Cause
Possible cause is that specified SMTP server has not sent appropriate greeting or is not SMTP server at all.
Popular SMTP settings
More debugging…
- Test SMTP connection and send test email
- AW Event 50461 · Command RCPT failed
- AW Event 50463 · An unexpected response after end-of-mail indicator
- AW Event 2501 · Could not send notification email
- Command Line Email relaying access denied
- Gmail Workspace SMTP error reference
- Microsoft Office 365 authentication issues
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