Wynand1
First thing to check is that your web browser is set to accept cookies, if not login will fail
You are using
https://yourdomain.com/webmail not http ?
To check if imap is running, on the command line do the following as normal user
telnet 127.0.0.1 143
should respond
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
* OK [CAPABILITY IMAP4REV1 LOGIN-REFERRALS STARTTLS AUTH=LOGIN] myhost.mydomain.com IMAP4rev1 2001.315rh at Tue, 14 Sep 2004 19:41:54 +0100 (BST)
a login username password ( use your own user and pass )
should respond
a OK [CAPABILITY IMAP4REV1 IDLE NAMESPACE MAILBOX-REFERRALS SCAN SORT THREAD=REFERENCES THREAD=ORDEREDSUBJECT MULTIAPPEND] User whoever authenticated
b select inbox
should respond
* 50 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 1091221164] UID validity status
* OK [UIDNEXT 218] Predicted next UID
* FLAGS (\Answered \Flagged \Deleted \Draft \Seen)
* OK [PERMANENTFLAGS (\* \Answered \Flagged \Deleted \Draft \Seen)] Permanent flags
b OK [READ-WRITE] SELECT completed
d logout
should respond
* BYE myhost.mydomain.com IMAP4rev1 server terminating connection
d OK LOGOUT completed
Connection closed by foreign host.
All the above is from my machine, a,b,d in front of the requests are important
If this works then your Squirrelmail/Apache Virtual host configuration must be wrong
Pete