Hein Roehrig wrote: > > Dear all, > > when I send myself a message without a body, lmptd gets stuck --- it > eventually times out with a "451 4.3.0 System I/O error" and subsequent > messages through the same LMTP connection fail as well. > > My setup is Cyrus 2.1.3, Debian postfix 1.1.6-1, configured to deliver > mail via unix sockets through LMTP, as outlined in several example > configurations. Things work very well, except for messages which I can > (re)create by talking SMTP to postfix and sending a message like this: > > $ telnet mymailserver smtp > Trying x.x.x.x... > Connected to mymailserver > Escape character is '^]'. > 220 mymailserver ESMTP Postfix (Debian/GNU) > helo myclient > 250 mymailserver > mail from: <[EMAIL PROTECTED]> > 250 Ok > rcpt to: <roehrig@mymailserver> > 250 Ok > data > 354 End data with <CR><LF>.<CR><LF> > From: [EMAIL PROTECTED] > To: roehrig@mymailserver > . > 250 Ok: queued as B0708C33D3 > quit > 221 Bye > Connection closed by foreign host. > > My next attempt will be to look up the basics of LMTP and try to talk > LMTP directly with Cyrus lmtpd, but perhaps somebody can already tell me > whether a null body makes a legal message? If not, then a more > meaningful lmtpd error message would be very helpful. Technically, this isn't a valid RFC[2]822 message. There is supposed to be a blank line between the headers and body of a message even though most MTAs accept it. I _think_ this is what is causing lmtpd to hang out. Your timing is good, because I committed a fix for this yesterday. Try this patch and see if it solves the problem. http://bugzilla.andrew.cmu.edu/cgi-bin/cvsweb.cgi/src/cyrus/imap/lmtpengine.c.diff?r1=1.69&r2=1.70&f=u Ken -- Kenneth Murchison Oceana Matrix Ltd. Software Engineer 21 Princeton Place 716-662-8973 x26 Orchard Park, NY 14127 --PGP Public Key-- http://www.oceana.com/~ken/ksm.pgp
