[fetchmail] Re: Bug in fetchmail 6.2.1 - please take a look!

[Neal Lippman]

The difference between your system's behavior and mine is that you have
used the smtpname clause to specify an entry for the REPLY TO command
send to the [SL]MTP process. That's how I have fixed my own
implementation, btw - by adding an smtpname to each line in fetchmailrc.

I'm still not convinced that the behavoir I am seeing is correct,
however, since when building the RCPT TO line for [SL]MTP, the target
should be checked for proper syntax when a unix socket is going to be
accepted into the list of potential targets.

Maybe it is the case that smtpname MUST always be given to ensure a
valid receipient in the RCPT TO line - which moves the 'bug' to the man
page which does not indicate this.

nl

On Sun, 2003-04-27 at 20:51, Christian Schulte wrote:
> Neal Lippman wrote:
> 
> >OK, now I'm pretty convinced there is a bug in fetchmail. Hopefull some
> >maintainers do read this mailing list, and so can take a look at this
> >and/or discuss with me. I'm cc'ing the debian list because that's what I
> >use, and cyrus because it affects my forwarding of emails into
> >cyrus-imap as well.
> >
> >I'm seeing the same behavoir in both the version with fetchmail in
> >debian stable (5.9.11) and debian testing (6.2.1), and I am fairly
> >convinced that this is a bug. At the least, the behavoir doesn't seem
> >ideal.
> >
> >The long and short of it is the following. Here is a line from my
> >.fetchmailrc, altered a bit (passwords removed, for instance):
> >
> >poll mail.lippman.org protocol pop3 user "testuser" pass "testpass" is 
> >	"test" smtphost "/var/imap/socket/lmtp"
> >
> >This line should retrieve mail from my pop3 server and forward it via
> >lmtp to a socket which cyrus-imap's lmtp daemon is listing on.
> >
> >If I send multiple messages to this email account, then then invoke
> >fetchmail to retrieve them, the first message is lost. This is true no
> >matter how messages are waiting for retrieval when fetchmail runs; the
> >first is always lost (if there is only one message waiting, it is of
> >course lost). The reason is that fetchmail tries to forward the first
> >message to "test@/var/imap/socket" which fails, because the lmtp daemon
> >(correctly) notes that this is incorrect syntax for an email address.
> >Fetchamil seems to pick up on this error (although the log does not
> >indicate that it is doing so), because all subsequent messages are then
> >fowarded to "test at localhost" which the lmtpd accepts. This behavoir, as
> >mentioned, occurs with 5.9.11 AND 6.2.1 versions. 
> >
> I cannot confirm that behaviour!
> 
> smtp:/etc/default# dpkg -l fetchmail
> ii  fetchmail                              
> 5.9.11-6.2                             POP3, APOP, IMAP mail 
> gatherer/forwarder (crypto-crippled binary)
> 
> smtp:/etc/default# cat /etc/fetchmailrc
> set syslog
> poll somehost.tld proto IMAP user "someuser" is cs at schulte.it password 
> "xxxx" fetchall flush smtpname cs at schulte.it smtphost /var/imap/socket/lmtp
> 
> It works for me! cs at schulte.it is a cyrus-2.2 mailbox. User cs in 
> cyrus-virtual-domain schulte.it. fetchmail does not loose any messages 
> for me but my fetchmailrc differs in yours that my local users already 
> contain a @domain part. I tested to see if that maybe a problem and 
> changed cs at schulte.it to root. In syslog I could see lmtpd trying to 
> append the message to the root account. Because that account does not 
> exist delivery cannot work.
> 
> Apr 28 02:45:02 smtp lmtpunix[1602]: append_check() of 'user.root' failed
> 
> I think this also shows that delivery to the account whould have worked 
> if the account would have existed and because of this mail being the 
> only one fetched fetchmail works!
> 
> --Christian--
> 



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