'javax.mail.MessagingException 501 Syntax HELO hostname' Due to Server Host Name
JIRA fails to send an email message stating:
The server's hostname is not set. JIRA is sending the server's IP address instead.
- Refer to your system's documentation to set the hostname correctly.
- Alternatively, add an entry in
- If this doesn't work, pass the hostname to JIRA specifically.
See Problems Sending Email from JIRA - EHLO requires domain address for details.
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