1. Roundcube error log in /var/log/rouncubemail/error.log
Eroor: rcube imap.php on line 202 (POST /webmail/?_task=mail&_action=login
2. Dovecot error log in / var/log/maillog
auth: Error: passwd-file: open(/etc/dovecot/users)
this error comes as it is trying to read the password from dovecot users but the password is stored in a different location
/etc/dovecot/conf.d
vi auth-passwdfile.conf.ext
passdb {
driver = passwd-file
args = scheme=MD5-CRYPT username_format=%n /etc/exim/domains/%d/passwd
}
userdb {
driver = passwd-file
args = username_format=%n /etc/exim/domains/%d/passwd
}
and make these changes in /etc/dovecot/dovecot.conf
protocols = imap pop3
listen = *
base_dir = /var/run/dovecot/
!include conf.d/*.conf
10-auth.conf
disable_plaintext_auth = no
auth_verbose = yes
auth_mechanisms = plain login
!include auth-passwdfile.conf.ext
Error: Namespace ”: Mail storage autodetection failed with home=/home/
Added to /etc/dovecot/conf.d/10-mail.conf
mail_location = maildir:~/Maildir
and it started working.