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Question / Problem

Not all bounced emails are collected from the server. How can I collect all bounced emails?

Answer / Solution

Detecting bounces is not trivial.
There are several types of bounces:
- bounces caused by temporary errors
- bounces caused by permanent errors
- bounces formatted as RFC compliant report
- bounces not formatted RFC compliant, only "usual" e-mail messages with some error text

SmartSerialMail Enterprise collects all bounces with permanent errors and ignores temporary errors.
It decides this by regarding the SMTP error code inside oft he bounce message.
This works well for all RFC compliant bounces, but no for all non RFC compliant messages. Some of the non RFC compliant bounces are covered by the SmartSerialMail detection (those from well known MTAs).