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BATV vs. verify sender

Verify sender function: The proxy connects to the return-path host and issues a RCPT command to see if the sender address is really deliverable.

This check fails, if the return-path host has the BATV-feature activated. BATV blocks messages with a null reverse-path "mail from: <>" with a "No such user"-response:

Code:
sender verify fail for : response to "RCPT TO:" from
mail.domain.com [xxx.xxx.xxx.xxx] was: 550 No such user.


Is there a setting to enable the null reverse-path with BATV activated?


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