Probably on server side ... the problem was only on big mailboxes which is used by IMAP, so there is no problem and we have already migrated all to dovecot. ;) Thanks for your reply.
On 31.8.2012 15:46, Timo Sirainen wrote: > On 23.8.2012, at 16.40, TeTeHacko wrote: > >> I have problems with pop3 migration, the server disconect the dovesync when >> fetching mails after 5 minutes with this error in server log: >> >> xx.xx.xx.xx [28F4] 11:54:05 <<< RETR 6548 >> xx.xx.xx.xx [28F4] 11:54:05 >>> +OK 47522 octets >> xx.xx.xx.xx [28F4] 11:54:05 <<< RETR 6549 >> xx.xx.xx.xx [28F4] 11:54:05 >>> +OK 355289 octets >> xx.xx.xx.xx [28F4] 11:54:05 <<< RETR 6550 >> xx.xx.xx.xx [28F4] 11:54:05 >>> +OK 9638 octets >> xx.xx.xx.xx [28F4] 11:54:05 <<< RETR 6551 >> xx.xx.xx.xx [28F4] 11:54:05 >>> +OK 2188 octets >> xx.xx.xx.xx [28F4] 11:59:05 >>> -ERR Command unrecognized: "" >> xx.xx.xx.xx [28F4] 11:59:05 *** <i...@istan.cz> 6551 477693894 00:12:55 >> ERROR >> xx.xx.xx.xx [28F4] 11:59:05 Disconnected > > Looks like a bug. But in Dovecot POP3 client or the POP3 server? Apparently > either Dovecot sends an empty line after RETR or the server thinks Dovecot > sends it. Can you get the actual TCP traffic logs? and/or set > pop3c_rawlog_dir and see if it's there. >
