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  #1  
Old 13th August 2010, 14:42
dpicella dpicella is offline
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Default Squirrelmail ERROR: Connection dropped by courier IMAP server.

I am getting the following error when trying to log in to squirrelmail.

"ERROR: Connection dropped by courier IMAP server."

Here is some information about my setup.

Software: Newly installed CentOS 5.5 and ISPConfig 3

I followed the instructions in the turorial to set up Dovecot, but I had trouble configuring Dovecot and replaced it with courier-imap.

I can send and receive email from the server in mbox format just fine. I just can't get squirrmail to work.

Finally, I am running this computer in a colocated data center. I manage the DNS for my domains myself.

CONFIG FILES

/etc/postfix/main.cf
Code:
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
mail_owner = postfix
myhostname = mail.jpre.net 
mydomain = jpre.net
myorigin = $myhostname
inet_interfaces = all
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
unknown_local_recipient_reject_code = 550
mynetworks = 127.0.0.0/8 [::1]/128 
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
debug_peer_level = 2
debugger_command =
	 PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
	 xxgdb $daemon_directory/$process_name $process_id & sleep 5
sendmail_path = /usr/sbin/sendmail.postfix
newaliases_path = /usr/bin/newaliases.postfix
mailq_path = /usr/bin/mailq.postfix
setgid_group = postdrop
html_directory = no
manpage_directory = /usr/share/man
sample_directory = /usr/share/doc/postfix-2.3.3/samples
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
/etc/postfix/master.cf
Code:
smtp      inet  n       -       n       -       -       smtpd
pickup    fifo  n       -       n       60      1       pickup
cleanup   unix  n       -       n       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
tlsmgr    unix  -       -       n       1000?   1       tlsmgr
rewrite   unix  -       -       n       -       -       trivial-rewrite
bounce    unix  -       -       n       -       0       bounce
defer     unix  -       -       n       -       0       bounce
trace     unix  -       -       n       -       0       bounce
verify    unix  -       -       n       -       1       verify
flush     unix  n       -       n       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       n       -       -       smtp
relay     unix  -       -       n       -       -       smtp
	-o fallback_relay=
showq     unix  n       -       n       -       -       showq
error     unix  -       -       n       -       -       error
discard   unix  -       -       n       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       n       -       -       lmtp
anvil     unix  -       -       n       -       1       anvil
scache	  unix	-	-	n	-	1	scache
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d vmail ${extension} ${recipient} ${user} ${nexthop} ${sender}
old-cyrus unix  -       n       n       -       -       pipe
  flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
cyrus     unix  -       n       n       -       -       pipe
  user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/libexec/dovecot/deliver -f ${sender} -d ${user}@${nexthop}
SYSTEM INFO

# netstat -tap
Code:
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
tcp        0      0 localhost.localdomain:2208  *:*                         LISTEN      4450/hpiod          
tcp        0      0 *:mysql                     *:*                         LISTEN      4596/mysqld         
tcp        0      0 *:877                       *:*                         LISTEN      4087/rpc.statd      
tcp        0      0 localhost.local:dyna-access *:*                         LISTEN      4512/clamd          
tcp        0      0 *:sunrpc                    *:*                         LISTEN      4010/portmap        
tcp        0      0 *:munin                     *:*                         LISTEN      5261/munin-node     
tcp        0      0 *:ftp                       *:*                         LISTEN      5241/pure-ftpd (SER 
tcp        0      0 208.76.252.132-unall:domain *:*                         LISTEN      3977/named          
tcp        0      0 208.76.252.131-unall:domain *:*                         LISTEN      3977/named          
tcp        0      0 www.jpre.net:domain         *:*                         LISTEN      3977/named          
tcp        0      0 localhost.localdomai:domain *:*                         LISTEN      3977/named          
tcp        0      0 localhost.localdomain:ipp   *:*                         LISTEN      4477/cupsd          
tcp        0      0 *:smtp                      *:*                         LISTEN      24579/master        
tcp        0      0 localhost.localdomain:rndc  *:*                         LISTEN      3977/named          
tcp        0      0 *:atmtcp                    *:*                         LISTEN      17310/monit         
tcp        0      0 localhost.localdomain:2207  *:*                         LISTEN      4455/python         
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58848 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58849 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58840 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58841 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58842 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58843 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58844 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58845 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58846 CLOSE_WAIT  -                   
tcp      144      0 www.jpre.net:atmtcp         cpe-98-154-30-92.soca:58847 CLOSE_WAIT  -                   
tcp        0      0 localhost.localdomain:40803 localhost.localdomain:ssh   TIME_WAIT   -                   
tcp        0      0 localhost.localdomain:59418 localhost.localdomain:8009  ESTABLISHED 13490/httpd         
tcp        0      0 *:imaps                     *:*                         LISTEN      24655/couriertcpd   
tcp        0      0 *:pop3s                     *:*                         LISTEN      24667/couriertcpd   
tcp        0      0 localhost.localdomain:8005  *:*                         LISTEN      5186/java           
tcp        0      0 *:8070                      *:*                         LISTEN      13483/httpd         
tcp        0      0 *:8009                      *:*                         LISTEN      5186/java           
tcp        0      0 *:pop3                      *:*                         LISTEN      24661/couriertcpd   
tcp        0      0 *:imap                      *:*                         LISTEN      24648/couriertcpd   
tcp        0      0 *:http                      *:*                         LISTEN      13483/httpd         
tcp        0      0 *:webcache                  *:*                         LISTEN      5186/java           
tcp        0      0 *:tproxy                    *:*                         LISTEN      13483/httpd         
tcp        0      0 *:ftp                       *:*                         LISTEN      5241/pure-ftpd (SER 
tcp        0      0 *:ssh                       *:*                         LISTEN      4468/sshd           
tcp        0      0 localhost6.localdomain:rndc *:*                         LISTEN      3977/named          
tcp        0      0 *:https                     *:*                         LISTEN      13483/httpd         
tcp        0      0 localhost.localdomain:8009  localhost.localdomain:59418 ESTABLISHED 5186/java           
tcp        0   1584 www.jpre.net:ssh            cpe-98-154-30-92.soca:48784 ESTABLISHED 10324/1             
tcp        0      0 www.jpre.net:ssh            cpe-98-154-30-92.soca:45103 ESTABLISHED 22138/sshd: root@no
The host domain has an IPv6 glue record and points to itself for DNS
# dig mx jpre.net
Code:
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> mx jpre.net
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40845
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;jpre.net.			IN	MX

;; ANSWER SECTION:
jpre.net.		86400	IN	MX	10 mail.jpre.net.

;; Query time: 2 msec
;; SERVER: 208.67.220.220#53(208.67.220.220)
;; WHEN: Fri Aug 13 05:36:38 2010
;; MSG SIZE  rcvd: 47
The domain where I am setting up sqirrelmail email is pcmgdoc.com
dig mx pcmgdoc.com
Code:
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> mx pcmgdoc.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52175
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;pcmgdoc.com.			IN	MX

;; ANSWER SECTION:
pcmgdoc.com.		86400	IN	MX	10 mail.pcmgdoc.com.

;; Query time: 168 msec
;; SERVER: 208.67.220.220#53(208.67.220.220)
;; WHEN: Fri Aug 13 05:39:19 2010
;; MSG SIZE  rcvd: 50
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  #2  
Old 14th August 2010, 15:45
falko falko is offline
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Default

Quote:
Originally Posted by dpicella View Post
I can send and receive email from the server in mbox format just fine.
You must use Maildir, not mbox, because both Dovecot and Courier don't support mbox.

Any errors in your mail log?
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  #3  
Old 14th August 2010, 20:49
dpicella dpicella is offline
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Default

After trying to log in with squirrelmail, I get

#tail -30 /var/log/maillog
Code:
[...]
Aug 14 11:38:55 jpre postfix/smtpd[20734]: connect from localhost.localdomain[127.0.0.1]
Aug 14 11:38:55 jpre postfix/smtpd[20734]: disconnect from localhost.localdomain[127.0.0.1]
Aug 14 11:39:41 jpre imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 14 11:39:55 jpre postfix/smtpd[20734]: connect from localhost.localdomain[127.0.0.1]
Aug 14 11:39:55 jpre postfix/smtpd[20734]: disconnect from localhost.localdomain[127.0.0.1]
Aug 14 11:40:01 jpre postfix/smtpd[20734]: connect from localhost.localdomain[127.0.0.1]
Aug 14 11:40:01 jpre postfix/smtpd[20734]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Aug 14 11:40:01 jpre postfix/smtpd[20734]: disconnect from localhost.localdomain[127.0.0.1]
Aug 14 11:40:01 jpre pop3d: Connection, ip=[::ffff:127.0.0.1]
Aug 14 11:40:01 jpre pop3d: Disconnected, ip=[::ffff:127.0.0.1]
Aug 14 11:40:01 jpre imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 14 11:40:01 jpre imapd: Disconnected, ip=[::ffff:127.0.0.1], time=0
Aug 14 11:40:11 jpre imapd: LOGIN FAILED, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1]
Aug 14 11:40:11 jpre imapd: authentication error: Input/output error
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  #4  
Old 15th August 2010, 18:05
falko falko is offline
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How exactly did you install Courier?
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dpicella (16th August 2010)
  #5  
Old 16th August 2010, 04:29
dpicella dpicella is offline
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Default

Quote:
Originally Posted by falko View Post
How exactly did you install Courier?
I followed these instructions:
http://www.howtoforge.com/installing...-redhat-centos

For smtp, I probably need saslauthd - it's not running. I have not configured it. ??
http://www.howtoforge.com/howto_post...auth_tls_howto

# telnet localhost 25
Code:
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 mail.jpre.net ESMTP Postfix
... my terminal session will freeze after the last line above and I have to close my terminal session and spawn a new one.

Sorry but I do not know much about mail config. Thanks in advance for your post!
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  #6  
Old 16th August 2010, 04:38
dpicella dpicella is offline
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I take that back ...

Actually, if I wait long enough ... the telnet command will time out and close the connection.

Code:
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 mail.jpre.net ESMTP Postfix
421 4.4.2 mail.jpre.net Error: timeout exceeded
Connection closed by foreign host.
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  #7  
Old 16th August 2010, 13:48
falko falko is offline
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Quote:
Originally Posted by dpicella View Post
# telnet localhost 25
Code:
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 mail.jpre.net ESMTP Postfix
... my terminal session will freeze after the last line above and I have to close my terminal session and spawn a new one.
Type
Code:
ehlo localhost
after the 220 line - this will show you what Postfix supports; then type
Code:
quit
to go back to the shell.

Please install Courier according to chapter 10 on http://www.howtoforge.com/perfect-se...ispconfig-3-p4 .
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  #8  
Old 16th August 2010, 14:51
dpicella dpicella is offline
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Here is what I get:
Code:
# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 mail.jpre.net ESMTP Postfix
ehlo localhost
250-mail.jpre.net
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
quit
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  #9  
Old 16th August 2010, 21:43
dpicella dpicella is offline
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I followed instructions 10 through 12
http://www.howtoforge.com/perfect-se...ispconfig-3-p4

Afterward, I updated ISPConfig to reconfigure postfix etc.

I can't send or receive anything.

Here are conf files

/etc/postfix/main.cf
Code:
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
mail_owner = postfix
myhostname = jpre.net
mydomain = jpre.net
myorigin = $myhostname
inet_interfaces = all
mydestination = jpre.net, localhost, localhost.localdomain
unknown_local_recipient_reject_code = 550
mynetworks = 127.0.0.0/8 [::1]/128
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
debug_peer_level = 2
debugger_command =
	 PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
	 xxgdb $daemon_directory/$process_name $process_id & sleep 5
sendmail_path = /usr/sbin/sendmail.postfix
newaliases_path = /usr/bin/newaliases.postfix
mailq_path = /usr/bin/mailq.postfix
setgid_group = postdrop
html_directory = no
manpage_directory = /usr/share/man
sample_directory = /usr/share/doc/postfix-2.3.3/samples
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
virtual_alias_domains = 
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, reject_unauth_destination
smtpd_use_tls = yes
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
virtual_create_maildirsize = yes
virtual_maildir_extended = yes
virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = "The user you are trying to reach is over quota."
virtual_overquota_bounce = yes
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps
smtpd_tls_security_level = may
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
relay_recipient_maps = mysql:/etc/postfix/mysql-virtual_relayrecipientmaps.cf
smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf
smtpd_client_restrictions = check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
maildrop_destination_concurrency_limit = 1
maildrop_destination_recipient_limit = 1
virtual_transport = maildrop
header_checks = regexp:/etc/postfix/header_checks
mime_header_checks = regexp:/etc/postfix/mime_header_checks
nested_header_checks = regexp:/etc/postfix/nested_header_checks
body_checks = regexp:/etc/postfix/body_checks
content_filter = amavis:[127.0.0.1]:10024
receive_override_options = no_address_mappings
/etc/postfix/master.cf
Code:
smtp      inet  n       -       n       -       -       smtpd
pickup    fifo  n       -       n       60      1       pickup
cleanup   unix  n       -       n       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
tlsmgr    unix  -       -       n       1000?   1       tlsmgr
rewrite   unix  -       -       n       -       -       trivial-rewrite
bounce    unix  -       -       n       -       0       bounce
defer     unix  -       -       n       -       0       bounce
trace     unix  -       -       n       -       0       bounce
verify    unix  -       -       n       -       1       verify
flush     unix  n       -       n       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       n       -       -       smtp
relay     unix  -       -       n       -       -       smtp
	-o fallback_relay=
showq     unix  n       -       n       -       -       showq
error     unix  -       -       n       -       -       error
discard   unix  -       -       n       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       n       -       -       lmtp
anvil     unix  -       -       n       -       1       anvil
scache	  unix	-	-	n	-	1	scache
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} ${extension} ${recipient} ${user} ${nexthop} ${sender}
old-cyrus unix  -       n       n       -       -       pipe
  flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
cyrus     unix  -       n       n       -       -       pipe
  user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
amavis unix - - - - 2 smtp
        -o smtp_data_done_timeout=1200
        -o smtp_send_xforward_command=yes
127.0.0.1:10025 inet n - - - - smtpd
        -o content_filter=
        -o local_recipient_maps=
        -o relay_recipient_maps=
        -o smtpd_restriction_classes=
        -o smtpd_client_restrictions=
        -o smtpd_helo_restrictions=
        -o smtpd_sender_restrictions=
        -o smtpd_recipient_restrictions=permit_mynetworks,reject
        -o mynetworks=127.0.0.0/8
        -o strict_rfc821_envelopes=yes
        -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
        -o smtpd_bind_address=127.0.0.1
Other
# telnet localhost 25
Code:
 telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 jpre.net ESMTP Postfix
ehlo localhost
250-jpre.net
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
Error log after trying a squirrelmail login
/var/log/maillog
Code:
Aug 16 12:41:10 jpre imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 16 12:41:10 jpre imapd: LOGIN, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1], port=[45314], protocol=IMAP
Aug 16 12:41:10 jpre imapd: LOGOUT, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1], headers=0, body=0, rcvd=30, sent=238, time=0
Aug 16 12:41:10 jpre imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 16 12:41:10 jpre imapd: LOGIN, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1], port=[45315], protocol=IMAP
Aug 16 12:41:10 jpre imapd: Connection, ip=[::ffff:127.0.0.1]
Aug 16 12:41:10 jpre imapd: LOGIN, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1], port=[45316], protocol=IMAP
Aug 16 12:41:10 jpre imapd: DISCONNECTED, user=david@pcmgdoc.com, ip=[::ffff:127.0.0.1], headers=0, body=0, rcvd=21, sent=57, time=0
The squirrelmail login screen displays:
Quote:
ERROR:
ERROR: Connection dropped by IMAP server.
Query: SUBSCRIBE "INBOX.Sent"
and
Quote:
ERROR:
ERROR: Could not complete request.
Query: SELECT "INBOX"
Reason Given: Unable to open this mailbox.
What now ??? Thanks in advance!!
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  #10  
Old 17th August 2010, 18:38
falko falko is offline
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Are there any Postfix errors in your mail log? The excerpt you posted is about imap.
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