diff --git a/config/filter.d/dovecot.conf b/config/filter.d/dovecot.conf
index 7ec9a30c..9c817720 100644
--- a/config/filter.d/dovecot.conf
+++ b/config/filter.d/dovecot.conf
@@ -8,9 +8,10 @@ before = common.conf
[Definition]
_auth_worker = (?:dovecot: )?auth(?:-worker)?
+_auth_worker_info = (?:conn \w+:auth(?:-worker)? \(uid=\w+\): auth(?:-worker)?<\d+>: )?
_daemon = (?:dovecot(?:-auth)?|auth)
-prefregex = ^%(__prefix_line)s(?:%(_auth_worker)s(?:\([^\)]+\))?: )?(?:%(__pam_auth)s(?:\(dovecot:auth\))?: |(?:pop3|imap|managesieve|submission)-login: )?(?:Info: )?.+$
+prefregex = ^%(__prefix_line)s(?:%(_auth_worker)s(?:\([^\)]+\))?: )?(?:%(__pam_auth)s(?:\(dovecot:auth\))?: |(?:pop3|imap|managesieve|submission)-login: )?(?:Info: )?%(_auth_worker_info)s.+$
failregex = ^authentication failure; logname=\S* uid=\S* euid=\S* tty=dovecot ruser=\S* rhost=(?:\s+user=\S*)?\s*$
^(?:Aborted login|Disconnected|Remote closed connection|Client has quit the connection)(?::(?: [^ \(]+)+)? \((?:auth failed, \d+ attempts(?: in \d+ secs)?|tried to use (?:disabled|disallowed) \S+ auth|proxy dest auth failed)\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=(?:[^>]*(?:, session=<\S+>)?)\s*$
diff --git a/fail2ban/tests/files/logs/dovecot b/fail2ban/tests/files/logs/dovecot
index 17a16b9f..6bcf8c5b 100644
--- a/fail2ban/tests/files/logs/dovecot
+++ b/fail2ban/tests/files/logs/dovecot
@@ -55,6 +55,11 @@ Jun 11 13:57:17 main dovecot: auth: sql(admin@example.ru,192.168.144.226,<6rXunF
#failJSON: { "time": "2005-06-11T13:57:17", "match": true, "host": "192.168.178.25", "desc": "allow more verbose logging, gh-2573" }
Jun 11 13:57:17 main dovecot: auth: ldap(user@server.org,192.168.178.25,): Password mismatch (for LDAP bind) (SHA1 of given password: f638ff)
+# failJSON: { "time": "2005-06-12T11:48:12", "match": true , "host": "192.0.2.6" }
+Jun 12 11:48:12 auth-worker(80180): Info: conn unix:auth-worker (uid=143): auth-worker<13247>: sql(support,192.0.2.6): unknown user
+# failJSON: { "time": "2005-06-12T23:06:05", "match": true , "host": "192.0.2.7" }
+Jun 12 23:06:05 auth-worker(57065): Info: conn unix:auth-worker (uid=143): auth-worker<225622>: sql(user@domain.com,192.0.2.7,): Password mismatch
+
# failJSON: { "time": "2005-01-29T14:38:51", "match": true , "host": "192.0.2.6", "desc": "PAM Permission denied (gh-1897)" }
Jan 29 14:38:51 example.com dovecot[24941]: auth-worker(30165): pam(user@example.com,192.0.2.6,): pam_authenticate() failed: Permission denied