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SEND EMAIL error "503 5.5.0 AUTH not permitted on unencrypted session"

SMTP server is configured to use SSL/TLS (System > Configuration > Category:Email > EmailServerPort) and credentials (EmailServerAuthUser and EmailServerAuthPassword). In this scenario, the following error occurs on Send Email step:


503 5.5.0 AUTH not permitted on unencrypted session


This issue is under investigation.



IBE-6277

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