ENH: cyrus-imap -- catch also 'user not found' attempts

ChangeLog

@@ -55,6 +55,7 @@ ver. 0.9.1 (2014/xx/xx) - better, faster, stronger
    * Realign fail2ban log output with white space to improve readability. Does
      not affect SYSLOG output
    * Log unhandled exceptions
+   * cyrus-imap: catch "user not found" attempts
 
 ver. 0.9.0 (2014/03/14) - beta
 ----------

THANKS

@@ -80,6 +80,7 @@ onorua
 Paul Marrapese
 Noel Butler
 Patrick Börjesson
+Pressy
 Raphaël Marichez
 RealRancor
 René Berber

config/filter.d/cyrus-imap.conf

@@ -13,7 +13,7 @@ before = common.conf
 
 _daemon = (?:cyrus/)?(?:imap(d|s)?|pop3(d|s)?)
 
-failregex = ^%(__prefix_line)sbadlogin: \S+ ?\[<HOST>\] \S+ .*?\[?SASL\(-13\): authentication failure: .*\]?$
+failregex = ^%(__prefix_line)sbadlogin: \S+ ?\[<HOST>\] \S+ .*?\[?SASL\(-13\): (authentication failure|user not found): .*\]?$
 
 ignoreregex = 
 

fail2ban/tests/files/logs/cyrus-imap

@@ -12,4 +12,7 @@ Jun 8 18:11:13 lampserver imap[4480]: badlogin: example.com [198.51.100.45] DIGE
 Dec 21 10:01:57 hostname imapd[18454]: badlogin: example.com [198.51.100.57] CRAM-MD5 [SASL(-13): authentication failure: incorrect digest response]
 # failJSON: { "time": "2004-12-30T16:03:27", "match": true , "host": "1.2.3.4" }
 Dec 30 16:03:27 somehost imapd[2517]: badlogin: local-somehost[1.2.3.4] OTP [SASL(-13): authentication failure: External SSF not good enough]
-
+# failJSON: { "time": "2005-07-17T22:55:56", "match": true , "host": "1.2.3.4" }
+Jul 17 22:55:56 derry cyrus/imaps[7568]: badlogin: serafinat.xxxxxx [1.2.3.4] plain [SASL(-13): user not found: user: pressy@derry property: cmusaslsecretPLAIN not found in sasldb]
+# failJSON: { "time": "2005-07-18T16:46:42", "match": true , "host": "1.2.3.4" }
+Jul 18 16:46:42 derry cyrus/imaps[27449]: badlogin: serafinat.xxxxxx [1.2.3.4] PLAIN [SASL(-13): user not found: Password verification failed]