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I configured the Postfix to send email via Office365 following this tutorial It's working fine.
But I want to send email from two different email adresses. For example, ClientA will received an email from mail@domain1.com and ClientB from mail@domain2.com.
From the tutorial I configured the header_check file like this:
/FROM:.*/ REPLACE From: mail@domain1.fr
When I add a second line, or when I change the /FROM:.*/ with something else, I'm getting and error:
Failed to process message due to a permanent exception with message Cannot submit message.
Do you know if it's possible to do that ?
Thank you