fix: simpler regex for fail2ban webmail auth

Author: shaunwarman

ansible/playbooks/templates/snappymail/fail2ban-snappymail-auth.conf.j2

@@ -1,5 +1,5 @@
 [Definition]
-failregex = ^\s*\S+\s+\S+\s+snappymail(?::|\[\d+\]:)\s+Auth failed: ip=<HOST>\b
-            ^\s*\S+\s+\S+\s+snappymail(?::|\[\d+\]:)\s+Admin Auth failed: ip=<HOST>\b
-            ^\s*\S+\s+\S+\s+snappymail(?::|\[\d+\]:)\s+message repeated \d+ times: \[\s*Auth failed: ip=<HOST>\b
+failregex = ^.*snappymail(?::|\[\d+\]:)\s+Auth failed: ip=<HOST>\b
+            ^.*snappymail(?::|\[\d+\]:)\s+Admin Auth failed: ip=<HOST>\b
+            ^.*snappymail(?::|\[\d+\]:)\s+message repeated \d+ times: \[\s*Auth failed: ip=<HOST>\b
 ignoreregex =