Problems Sending Email from JIRA - EHLO requires domain address
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
Email are not being sent from JIRA configured for SMTP. Errors appear such as:
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EHLO
501 5.0.0 EHLO requires domain address
HELO
501 5.0.0 HELO requires domain address
Cause
JIRA is not sending the correct parameter to to the outgoing mail server when attempting to send a message. Instead of sending its domain name, it is sending nothing.
Resolution
When you start JIRA, pass it the following parameter:
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-Dmail.smtp.localhost=<computer_name>
ℹ️ Substitute the JIRA server name for <computer_name>. See Setting Properties and Options on Startup.
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