Ken Murchison wrote:
Hi Ken, thanks for the feedback.
I'm not an Exim expert (in fact, I've never used it), but from reading Philip's post, it appears that Exim will not pass AUTH= unless it has authenticated to lmtpd (although RFC 2554 states that this is not required). By pre-authing lmtpd (lmtpd -a), you're preventing Exim from authenticating, unless you can find a way to tell Exim that it can use the EXTERNAL mechanism. My guess is that if you remove the -a option (and connect via TCP) that Exim will do what you want.
I thought the same as you & Philip, but if I remove pre-auth, then lmtp offers no AUTH mechs at all. This is why I think I've got something wrong on the lmtpd side, mail always fails without pre-auth so that's why in the past I've just had it enabled. With pre-auth, mail is delivered, but I cannot get authenticated_sender to appened AUTH= without some lmtp mechs it likes which I imagine is any mech apart from pre-auth. I can't find a way of setting up lmtpd with mechs.
I've seen postfix guys setting up lmtp auth'ing to cyrus, but no hints about how to setup the lmtp mechs themselves. I obviously have an understanding gap somewhere, so I need some info about which mechs and how to set them up for lmtpd.
I compiled cyrus 2.2.3 with only the configure option --with-saslauthd ; should I use anything more ? When I used the debian package for cyrus2.1, I still had this problem with authenticated_sender & lmtpd, so I don't think its a problem peculiar to my compilation, but I'm no cyrus expert. I've usually just used the debian packages but I in this case I needed virtual domains so I had to compile 2.2.3 myself.
ciao -Trevor.
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