Dear all;
I’m experiencing trouble having tags (as in user+...@example.com) transported
properly through lmtp. In my setup, smtpd delivers to cyrus by lmtp through a
local socket. I’m running this on Debian stable (which for all practical
purposes is identical to opensmtpd-6.0.2p1). Looking at lmtp_open() in
delivery_lmtp.c:
char *buf = NULL, hn[HOST_NAME_MAX + 1],
*rcpt = deliver->to, *to = deliver->to;
… which, in my case, will set rcpt to "/run/cyrus/socket/lmtp"…
strsep(&rcpt, " ");
… and now rcpt is NULL…
if (lmtp_cmd(&buf, &sz, '2', fp, "RCPT TO:<%s>",
rcpt ? deliver->dest : deliver->user) != 0)
errx(1, "RCPT TO rejected: %s", buf);
… which, assuming something like "echo body | mail -s subject user+tag", yields
"RCPT TO: <user>", and the tag is gone. I have to admit that whole business
with rcpt is lost on me, but apart from that I don’t see how this code can make
cyrus see the tag.
Cluebat, anyone?
// Best wishes; Johan
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