Hi there,

I have configured the squirrelmail in ubuntu server, after finishing the installation iam able to login with Usr name"smail" after login there has been some error "ERROR: Could not complete request.
Query: SELECT "INBOX"
Reason Given: [SERVERBUG] Internal error occurred. Refer to server log for more information"
--when I checked on /var/log/mail.err I m able to see permission issue with /var/www/html/F_N(smail). Please find some of the log files
Jan 5 13:40:57 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:40:58 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:40:58 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:40:59 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:40:59 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:41:00 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:41:00 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:41:01 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:41:01 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:41:02 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:41:02 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:41:03 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:41:03 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:41:03 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:41:03 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:43:54 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:43:54 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:43:54 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:43:54 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$
Jan 5 13:44:14 fgis dovecot: imap(smail): Error: open(/var/mail/smail) failed: Permission denied (euid=1001(smail) egid=1001(smail) missing +w perm: /var/mail, we're $
Jan 5 13:44:14 fgis dovecot: imap(smail): Error: Failed to autocreate mailbox INBOX: Internal error occurred. Refer to server log for more information. [2017-01-05 13$


please help me on this, how can i set the permission for "smail" username for"smail"folder which is located in /var/www/html path

Does the user smail physically exist as a linux user? I believe on linux boxes, there has to be an actual system user with the same username as in the mail application. I may be incoreect, however, that has been my understanding of it when i was looking at self hosting which i gave up because the provider i use does not use standard ports for forwarding the mail.

Good luck with that, but i vaguely remember an actual system user is required.

Also your question heading specifies the webroot folder for mail but your logs show /var/mail.

I do not think putting mail in webroot is wise, so if you can, leave it under /var/mail.

If the user exists, go to /var/mail and check that user smail has read/write permission to that file. If not just add those permissions. If the file does not exist, just create an empty file with permissions.