On Sep 07, Moritz Barsnick <moritz+mutt@xxxxxxxxxxxx> wrote: > > It's also commonly used by ISPs wishing to allow authenticated SMTP to > > clients whose providers block port 25 outbound. > ...until this port gets blocked as well. :-/ It's not supposed to (well, unless the ISP is a moron). The whole point of the submission port is that it must only accept authenticated mail, to prevent direct-to-MX spamming. -- ciao, Marco
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