Matthew Patterson writes:
> i was taking a look at djb's qmail page and saw that future plans for qmail
> included showing through dns records whether a server was capable of qmtp or
> not. This may have already been beaten to death on this discussion list but:
> Why not set up qmail-remote to try to deliver the message over the standard
> qmtp port (209 i believe), and if it can't make a connection, then fallback to
> smtp?
Well, yes, you need this anyway, because the magic MX priority can
only be considered a hint. As far as I know, though, nobody's ever
made the patches to qmail-remote to convince it to attempt qmtp first.
Feel free to do it.
The concept of non-standard behavior when talking to another of one's
type is not unusual. Fax machines do it all the time. The fax
standard is somewhat poor, and so manufacturers have come up with
their own improvements. These improvements are used whenever the fax
machine notices that it's talking to another one of its own model.
And there are enough qmail sites out there that it's probably worth
introducing this improvement. I'm just speculating, though; I haven't
measured.
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