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  1. ElCantoDelLoco

    External lookup before internal lookup?

    I think you should try to set in /etc/postfix/main.cf : myhostname = your_machine.your_domain mydomain = your_domain ... relayhost = [@IP Exchange] In your file /etc/postfix/transport put: your_domain smtp:[@IP Exchange] Then do : postmap /etc/postfix/transport /etc/init.d/postfix reload...
  2. ElCantoDelLoco

    How can I disable the send of DSN for a specified service ?

    I'm using a pipe service which calls a shell but I don't want postfix to send a DSN if the shell does not exist. If anybody knows how to do that, it would be great. Thanks in advance.

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