On Fri, May 29, 2015 at 09:11:23AM +0200, Rudy Gevaert wrote: > > Quoting Vincent Fox <vbfox@xxxxxxxxxxx>, Thu, 28 May 2015: > > > On 05/28/2015 10:05 AM, Recursive wrote: > >> This means that these messages well-formed enough for GMX to accept > >> them, but are so malformed that cyrus lmtp / imapd rejects them. > > I can give an example of a related problem. > > > > We use sendmail as our MTA, delivering via LMTP to Cyrus. > > The LMTP delivery module on Sendmail defaults to allowing > > lines longer than specification. Cyrus accepts them. > > Strangely enough I hit this same problem yesterday. While migrating a > mailbox from Cyrus to Exchange through imapsync, some messages where > not copied. The reasons was also that the message had longer lines > than the RFC allows. > > There is a setting in Exchange that limits the max length of a > command. (Or something like that) And the default value is 10240 > bytes. Increasing that helps somewhat, but messages can have longer > lines. > > In my case I was helped by using the latest version of imapsync. In > the options you can pass a command to run on every message that has > longer lines. In this case by using 'reformime -r7' (maildrop package > on Debian), http://www.courier-mta.org/reformime.html) > > > I'm using here postfix that does lmtp delivery, so I'm surprised > postfix doesn't get around it. Are you using these postfix options? ( http://www.postfix.org/postconf.5.html ) The postfix options may break mime. I don't know. lmtp_line_length_limit (default: 990) The LMTP-specific version of the smtp_line_length_limit configuration parameter. See there for details. This feature is available in Postfix 2.3 and later. smtp_line_length_limit (default: 998) The maximal length of message header and body lines that Postfix will send via SMTP. This limit does not include the <CR ><LF> at the end of each line. Longer lines are broken by inserting "<CR><LF><SPACE>", to minimize the damage to MIME fo rmatted mail. The Postfix limit of 998 characters not including <CR><LF> is consistent with the SMTP limit of 1000 characters includin g <CR><LF>. The Postfix limit was 990 with Postfix 2.8 and earlier. -- Scott Lambert KC5MLE Unix SysAdmin lambert@xxxxxxxxxxxxxx ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus
