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264313Re: Relaying to SPF protected server

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  • Wietse Venema
    Apr 3, 2010
      Jose Ildefonso Camargo Tolosa:
      > Hi!
      > This is getting interesting..... How, exactly, does mailman (or other
      > mailing list manager) handles this? I mean, I have seen several
      > SPF-enabled domains, and these domains have subscriptions to one or
      > more lists... now, reading the headers for one of the messages of this
      > lists, I got this:
      > Sender: owner-postfix-users@...
      > So... my guess is that the SPF check will go against this mail
      > address, not the one on the From field..... am I right?
      > What do you think?

      SPF uses the address in MAIL FROM command. This is sent before
      the RCPT TO command and before the message header/body.

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