diff --git a/config/filter.d/dovecot.conf b/config/filter.d/dovecot.conf
index dc3ebbcd..f49eebe7 100644
--- a/config/filter.d/dovecot.conf
+++ b/config/filter.d/dovecot.conf
@@ -17,6 +17,7 @@ prefregex = ^%(__prefix_line)s(?:%(_auth_worker)s(?:\([^\)]+\))?: )?(?:%(__pam_a
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)%(_bypass_reject_reason)s \((?:auth failed, \d+ attempts(?: in \d+ secs)?|tried to use (?:disabled|disallowed) \S+ auth|proxy dest auth failed)\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=(?:[^>]*(?:, session=<\S+>)?)\s*$
+ ^(?:Login aborted):\s*%(_bypass_reject_reason)s.*?\((?:auth failed, \d+ attempts(?: in \d+ secs)?|tried to use (?:disabled|disallowed) \S+ auth|proxy dest auth failed)\)(?:\s*\([^)]+\))?:\s*(?:user=<[^>]*>,?\s*)?(?:,?\s*method=\S+,\s*)?rip=(?:[^>]*(?:, session=<\S+>)?)\s*$
^pam\(\S+,(?:,\S*)?\): pam_authenticate\(\) failed: (?:User not known to the underlying authentication module: \d+ Time\(s\)|Authentication failure \([Pp]assword mismatch\?\)|Permission denied)\s*$
^[a-z\-]{3,15}\(\S*,(?:,\S*)?\): (?:[Uu]nknown user|[Ii]nvalid credentials|[Pp]assword mismatch)
>
@@ -43,6 +44,7 @@ datepattern = {^LN-BEG}TAI64N
# DEV Notes:
# * the first regex is essentially a copy of pam-generic.conf
# * Probably doesn't do dovecot sql/ldap backends properly (resolved in edit 21/03/2016)
+# * Dovecot version 2.4 changed event log structure, line prior needed to maintain 2.3 support
#
# Author: Martin Waschbuesch
# Daniel Black (rewrote with begin and end anchors)
diff --git a/fail2ban/tests/files/logs/dovecot b/fail2ban/tests/files/logs/dovecot
index 0e332961..4f5a0b78 100644
--- a/fail2ban/tests/files/logs/dovecot
+++ b/fail2ban/tests/files/logs/dovecot
@@ -22,6 +22,12 @@ Jun 14 00:48:21 platypus dovecot: imap-login: Disconnected (auth failed, 1 attem
# failJSON: { "time": "2005-06-23T00:52:43", "match": true , "host": "193.95.245.163" }
Jun 23 00:52:43 vhost1-ua dovecot: pop3-login: Disconnected: Inactivity (auth failed, 1 attempts): user=, method=PLAIN, rip=193.95.245.163, lip=176.214.13.210
+# Dovecot version 2.4
+# failJSON: { "time": "2005-06-12T19:07:29", "match": true , "host": "192.0.2.241" }
+Jun 12 19:07:29 hostname dovecot[241]: imap-login: Login aborted: Connection closed (auth failed, 3 attempts in 16 secs) (auth_failed): user=, method=PLAIN, rip=192.0.2.241, lip=203.0.113.104, TLS, session=<9ZHq02g3J8S60fan>
+# failJSON: { "time": "2005-06-13T16:35:56", "match": true , "host": "192.0.2.241" }
+Jun 13 16:35:56 mx dovecot[241]: managesieve-login: Login aborted: Logged out (auth failed, 1 attempts in 10 secs) (auth_failed): user=, method=PLAIN, rip=192.0.2.241, lip=203.0.113.104, TLS, session=
+
# failJSON: { "time": "2005-07-02T13:49:31", "match": true , "host": "192.51.100.13" }
Jul 02 13:49:31 hostname dovecot[442]: pop3-login: Aborted login (auth failed, 1 attempts in 17 secs): user=, method=PLAIN, rip=192.51.100.13, lip=203.0.113.17, session=