[Workaround.org] Connection dropped by server
Dennis Guhl
guhl at ikt.de
Fri Jan 14 16:34:54 CET 2011
On Thu, Jan 13, 2011 at 03:23:35PM +0100, albiz wrote:
> Hi,
>
> First of all thank you for the great work, I'm using the ispMail
> tutorial since sarge version. Despite It works fine sometimes i get an
> annoying issue with both: webmail and MUA's. Now I'm on lenny (posffix
> + dovecot + spammassasin (With RBL) + sieve + clamav + mailman) with
> both roundcube and squirrelmail webmails and Icedove/Thunderbird as
> MUAs. Sometimes I get an error in Thunderbird, I get "connection dropped
> by server" and in webmail "server' is not an imap4 server".
>
> If I try to look for some information in postfix logs I get nothing. I'm
This error will never be in postfix logfile. Postfix is only for SMTP.
IMAP, as well as POP, is handled by Dovecot.
> not sure which one is the real problem, of course is an imap server. Any
> ideas? After asking google for a while I get some clues:
>
> - Maybe it's a conenction problem due a timeout/latency,
Whenever I saw this it was due to connection problems.
> I think here's the problem, but I'm not sure which one is the problem.
> For example if it's a webmail problem, maybe I must edit php.ini
> 'defaul_socket_timeout' or something like that. But that's not the real
> problem because I get the same for thunderbird.
As a very well educated guess I would say you have two seperate
problems. One with thunderbird an one with roundcube.
> - or a protocol/service problem.
Unlikely (but not impossible).
> I tried to take off services which I don't use like pop3 pop3s... so now
You should never offer any unnecessary services!
> I'm on imap, imaps and sieve. I'm ussing SSL for both (993 and 465). But
Port 993 is imaps and port 465 is (deprecated) smtps.
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