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Support Article

SMTP Configuration Issue



Error encountered while testing the integration for an outbound email using Pega 6.3 SP1.

Error Messages

javax.mail.MessagingException: Can't send command to SMTP host;nested exception is: Connection reset.

Steps to Reproduce

  1. Configure an outbound email.
  2. Test the connection.

Root Cause

Ensure that HFix-6859 is installed. STARTTLS was enabled.


Perform the following local-change:

Create a Email/DisableSecuritySTARTTLS Dynamic System Setting (DSS) in the Pega-IntSvcs ruleset and set its value to true.


Published January 17, 2019 - Updated October 8, 2020

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