On 9/16/06, Sandeep Agarwal <sandeepagarwal.1980@xxxxxxxxx> wrote:
> hello all,
>
> i am getting the error "connection dropped by imap-server" when i try
> to login. the page simply hangs for some time on redirect.php and then
> i get this error message.
>
> i checked configuration of configtest.php, earlier it tool few seconds
> and i used to get the success message but now its first hangs on
> "Checking outgoing mail service..." i get a success message on this
> but after sometime and then it simply fails on IMAP.
>
> i checked my imap server setting and increased MAXPERIP to 200 which i
> think is sufficent for squirrelmail accesss imap from localhost.
>
> telnet localhost 143 ..works abs. fine.
>
> # telnet localhost 143
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> * OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE
> THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL
> ACL2=UNION] Courier-IMAP ready. Copyright 1998-2004 Double Precision,
> Inc. See COPYING for distribution information.
> a login sandeep@xxxxxxxxxxxxx <password>
> a OK LOGIN Ok.
> a logout
> * BYE Courier-IMAP server shutting down
> a OK LOGOUT completed
> Connection closed by foreign host.
> #
>
>
> i am able to receive mails on thunderbird. enabled imap logging at
> DEBUG level 2 these are the logs
>
> Sep 16 17:46:12 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:49:02 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:49:17 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:51:17 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:52:47 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:55:17 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 17:57:17 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 18:03:39 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 18:06:05 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
> Sep 16 18:06:14 ngblhost1 imapd: LOGIN: DEBUG: ip=[::ffff:127.0.0.1],
> command=LOGIN
> Sep 16 18:06:14 ngblhost1 imapd: LOGIN: DEBUG: ip=[::ffff:127.0.0.1],
> username=sandeep@xxxxxxxxxxxxx
> Sep 16 18:06:14 ngblhost1 imapd: LOGIN: DEBUG: ip=[::ffff:127.0.0.1],
> password=<password>
> Sep 16 18:06:14 ngblhost1 imapd: LOGIN, user=sandeep@xxxxxxxxxxxxx,
> ip=[::ffff:127.0.0.1], protocol=IMAP
> Sep 16 18:06:16 ngblhost1 imapd: LOGOUT, user=sandeep@xxxxxxxxxxxxx,
> ip=[::ffff:127.0.0.1], headers=0, body=0, time=2
> Sep 16 18:07:40 ngblhost1 imapd: Connection, ip=[::ffff:127.0.0.1]
>
> and when tryinf to connect from squirrelmail the only message i get is
> "imapd: Connection, ip=[::ffff:127.0.0.1]" nothing after that and then
> i get the connection dropped error.
>
> i thought it was the imap error but i am able to connect to imap by
> all other means.
>
> server conf : RedHat 8.0
> squirrelmail 1.4.4 (tired with 1.4.8 also but was unable to login, same error)
> Courier-imap - 4.0.1
> courier-authlib-0.58
> php-4.4.4
> apche-2.0.59 (about 200 virtual hosts)
> mail server is a default qmr (qmailrocks) installation.
>
> after lot of trials i think its some thing to do with fsockopen or
> fgets. i tried executing this simple script
>
> <?php
>
>
>
> /**
> * Check the socket
> */
> echo "Checking socket... \n";
>
>
> /** Can we open a connection? */
> $stream = fsockopen("localhost", 143,$errorNumber, $errorString);
> if(!$stream) {
> echo "error : $errorNumber , $errorString \n";
> }
> else {
> echo "success \n";
> }
> //$imapline = fgets($stream);
> if ($imapline) {
> echo $imapline;
> }
> else {
> echo "failed to get a line from socket";
> }
> ?>
>
> commenting fgets give the results instantaneously but as i uncomment
> the fgets line script hangs and then i get the error ""failed to get
> a line from socket"
>
>
fixed the problem i apache was running out of file handles (i
misconfigured). for all domains i was have 3 Error_log and 3 Accesslog
files , 2 per sub domain. removed all error log files and now thing
are working abs. fine
thanks
Sandeep
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