On 13/07/24 16:54, Francis Augusto Medeiros-Logeay via Postfix-users wrote:
Thanks a lot for your feedback. I learned a lot. So I’ll forget the
whole thing.
I have a last question, though: are there disadvantages of using a
catchall compared to not using it, just letting messages bounce when the
address does not exist instead?
I notice that I don’t get spam with my catchall. It only gets email
where the sender typed the address wrongly. So I’m not having bad side
effects of using it. But is it wise to use it, or is it better to let
servers “know” when an address doesn’t exist as its own mailbox?
Well catchalls are generally considered to be a bad idea for various
different reasons. I understand wanting to be able to deal with typoed
email addresses but consider that by just rejecting them you are letting
the sender know right away and they can correct it and resend. Given
this there is honestly very little to gain with a catchall in this regard.
Peter
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