diff --git a/config/filter.d/exim-common.conf b/config/filter.d/exim-common.conf
index 1c0a0a20..0e1b74fa 100644
--- a/config/filter.d/exim-common.conf
+++ b/config/filter.d/exim-common.conf
@@ -9,8 +9,8 @@ after = exim-common.local
 
 [Definition]
 
-host_info = H=([\w.-]+ )?(\(\S+\) )?\[<HOST>\](:\d+)? (I=\[\S+\]:\d+ )?(U=\S+ )?(P=e?smtp )?
-pid = ( \[\d+\])?
+host_info = (?:H=([\w.-]+ )?(?:\(\S+\) )?)?\[<HOST>\](?::\d+)? (?:I=\[\S+\](:\d+)? )?(?:U=\S+ )?(?:P=e?smtp )?
+pid = (?: \[\d+\])?
 
 # DEV Notes:
 # From exim source code: ./src/receive.c:add_host_info_for_log
diff --git a/config/filter.d/exim.conf b/config/filter.d/exim.conf
index 4aadf15c..a1d699c0 100644
--- a/config/filter.d/exim.conf
+++ b/config/filter.d/exim.conf
@@ -14,13 +14,13 @@ before = exim-common.conf
 [Definition]
 
 failregex = ^%(pid)s %(host_info)ssender verify fail for <\S+>: (?:Unknown user|Unrouteable address|all relevant MX records point to non-existent hosts)\s*$
-            ^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](:\d+)?( I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$
-            ^%(pid)s %(host_info)sF=(<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (relay not permitted|Sender verify failed|Unknown user)\s*$
-            ^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (connection from|"\S+") %(host_info)s(next )?input=".*"\s*$
-            ^%(pid)s SMTP call from \S+ \[<HOST>\](:\d+)? (I=\[\S+\](:\d+)? )?dropped: too many nonmail commands \(last was "\S+"\)\s*$
-            ^%(pid)s SMTP protocol error in "AUTH \S*(| \S*)" H=(|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ AUTH command used when not advertised\s*$
-            ^%(pid)s no MAIL in SMTP connection from (|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ D=\d+s(| C=\S*)\s*$
-            ^%(pid)s \S+ SMTP connection from (|\S* )(|\(\S*\) )\[<HOST>\]\:\d+ I=\[\S*\]\:\d+ closed by DROP in ACL\s*$
+            ^%(pid)s \w+ authenticator failed for (\S+ )?\(\S+\) \[<HOST>\](?::\d+)?(?: I=\[\S+\](:\d+)?)?: 535 Incorrect authentication data( \(set_id=.*\)|: \d+ Time\(s\))?\s*$
+            ^%(pid)s %(host_info)sF=(?:<>|[^@]+@\S+) rejected RCPT [^@]+@\S+: (?:relay not permitted|Sender verify failed|Unknown user)\s*$
+            ^%(pid)s SMTP protocol synchronization error \([^)]*\): rejected (?:connection from|"\S+") %(host_info)s(?:next )?input=".*"\s*$
+            ^%(pid)s SMTP call from \S+ %(host_info)sdropped: too many nonmail commands \(last was "\S+"\)\s*$
+            ^%(pid)s SMTP protocol error in "AUTH \S*(?: \S*)?" %(host_info)sAUTH command used when not advertised\s*$
+            ^%(pid)s no MAIL in SMTP connection from (?:\S* )?(?:\(\S*\) )?%(host_info)sD=\d+s(?: C=\S*)?\s*$
+            ^%(pid)s \S+ SMTP connection from (?:\S* )?(?:\(\S*\) )?%(host_info)sclosed by DROP in ACL\s*$
 
 ignoreregex = 
 
diff --git a/fail2ban/tests/files/logs/exim b/fail2ban/tests/files/logs/exim
index a3b287d4..9053bf8d 100644
--- a/fail2ban/tests/files/logs/exim
+++ b/fail2ban/tests/files/logs/exim
@@ -48,10 +48,14 @@
 2016-03-18 00:34:06 [7513] SMTP protocol error in "AUTH LOGIN" H=(ylmf-pc) [45.32.34.167]:60723 I=[172.89.0.6]:587 AUTH command used when not advertised
 # failJSON: { "time": "2016-03-19T18:40:44", "match": true , "host": "92.45.204.170" }
 2016-03-19 18:40:44 [26221] SMTP protocol error in "AUTH LOGIN aW5mb0BtYW5iYXQub3Jn" H=([127.0.0.1]) [92.45.204.170]:14243 I=[172.89.0.6]:587 AUTH command used when not advertised
+# failJSON: { "time": "2016-05-17T06:25:27", "match": true , "host": "69.10.61.61", "desc": "from gh-1430" }
+2016-05-17 06:25:27 SMTP protocol error in "AUTH LOGIN" H=(ylmf-pc) [69.10.61.61] AUTH command used when not advertised
 # failJSON: { "time": "2016-03-21T06:38:05", "match": true , "host": "49.212.207.15" }
 2016-03-21 06:38:05 [5718] no MAIL in SMTP connection from www3005.sakura.ne.jp [49.212.207.15]:28890 I=[172.89.0.6]:25 D=21s C=EHLO,STARTTLS
 # failJSON: { "time": "2016-03-21T06:57:36", "match": true , "host": "122.165.71.116" }
 2016-03-21 06:57:36 [5908] no MAIL in SMTP connection from [122.165.71.116]:2056 I=[172.89.0.6]:25 D=10s
+# failJSON: { "time": "2016-03-21T06:57:36", "match": true , "host": "122.165.71.116" }
+2016-03-21 06:57:36 [5908] no MAIL in SMTP connection from [122.165.71.116] I=[172.89.0.6]:25 D=10s
 # failJSON: { "time": "2016-03-21T04:07:49", "match": true , "host": "174.137.147.204" }
 2016-03-21 04:07:49 [25874] 1ahr79-0006jK-G9 SMTP connection from (voyeur.webair.com) [174.137.147.204]:44884 I=[172.89.0.6]:25 closed by DROP in ACL
 # failJSON: { "time": "2016-03-21T04:33:13", "match": true , "host": "206.214.71.53" }