IMAP session hangs on 8k-long commands if COMPRESS=DEFLATE is enabled

Hi there, Dovecot 2.3.7 appears to hang when the client sends a long command after enabling the IMAP COMPRESS extension [RFC 4978]. PoC script attached along with the doveconf(1) output. Without COMPRESS=DEFLATE, and with the default ‘imap_max_line_length’ value (64k) I'm able send commands up

RFC 5258 violation: incomplete response for "LIST ($OPT RECURSIVEMATCH) ..."

Hi there, RFC 5258 (IMAP4 LIST command extensions) defines a ‘RECURSIVEMATCH’ selection option which “forces the server to return information about parent mailboxes that don't match other selection options, but have some submailboxes that do.” (Section 3.5 makes the requirement even clearer.)

Re: proxy dual server setup clarification

> On 12 Nov 2019, at 16.03, Marc Roos via dovecot wrote: > > > > > I want to migrate mail users to a new environment. > > If I setup a new server next to the old server, and enable proxy on > both. Is this then enough to migrate user by user with the passdb > host=newsvr option to the

proxy dual server setup clarification

I want to migrate mail users to a new environment. If I setup a new server next to the old server, and enable proxy on both. Is this then enough to migrate user by user with the passdb host=newsvr option to the new environment? Eg. I do not need to configure a director setup? I only need

RE: How to send a test message directly to lmtp, to test proxying

Thanks! I am now doing it like this cat test.msg | /usr/libexec/dovecot/lmtp [@~]# cat test.msg MAIL FROM: RCPT TO: DATA Subject: AAA subject 977 This is the message 977 body . -Original Message- Subject: Re: How to send a test message directly to lmtp, to test proxying On

Re: How to send a test message directly to lmtp, to test proxying

On 12.11.2019 15.26, Marc Roos via dovecot wrote: > > How to send a test message directly to lmtp, to test proxying? Using LMTP protocol: LHLO localhost MAIL FROM: RCPT TO: DATA ... . Aki

How to send a test message directly to lmtp, to test proxying

How to send a test message directly to lmtp, to test proxying?

Howto pin user in proxy/director <-> backend server setup

I have 1x proxy/director server 2x backend mail server The backend servers are using a ldap database and do not have the option to put a proxy=y value. So I put this as a default in the passdb option in the proxy/director config. When I do telnet localhost 110 on the proxy/director, I can

[SOLVED] dovecot -2.2.24 on Fedora 31

Hello Aki, thanks for your patience and help. I solved my problems by compiling dovecot-2.3.8 and following the migration hints I got it working. Happy, Frank

Re: postfix + spamassassin + dovecot-lda (with sieve support)

Dmitry Dolzhenko via dovecot писал 2019-11-12 10:27: Hello, I have FreeBSD 12 server with postfix + spamassassin. Old config work fine. -- old postfix master.cf spamfilter unix - n n - - pipe flags=R user=nobody argv=/usr/local/bin/spamc -e /usr/sbin/sendmail -oi -f ${sender}