SMTP Exception: Initial access check failure
Exceptions are seen when trying to send an outbound email.
Unexpected exception caught while trying to send an email message.
com.sun.mail.smtp.SMTPSendFailedException: 550 5.7.1 Initial access check failure.
Steps to Reproduce
A defect or configuration issue in the operating environment.
The error suggests there is a permission issue on the SMTP server.
Make the following change to the operating environment:
Work with the email server administrators to correct the issue.
Published February 8, 2018 - Updated October 8, 2020
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