Update 'IMAP', 'MSA' and 'LDAP-provider' roles to Debian Stretch.

6 files changed, 52 insertions, 26 deletions

diff --git a/roles/common/files/etc/fail2ban/filter.d/dovecot.conf b/roles/common/files/etc/fail2ban/filter.d/dovecot.conf
new file mode 100644
index 0000000..4d4ea16
--- /dev/null
+++ b/roles/common/files/etc/fail2ban/filter.d/dovecot.conf
@@ -0,0 +1,34 @@
+# Fail2Ban filter Dovecot authentication and pop3/imap server
+#
+
+[INCLUDES]
+
+before = common.conf
+
+[Definition]
+
+_daemon = (auth|dovecot(-auth)?|auth-worker)
+
+# Take the filter from Stretch and add managesieve to the list of protected services
+failregex = ^%(__prefix_line)s(?:%(__pam_auth)s(?:\(dovecot:auth\))?:)?\s+authentication failure; logname=\S* uid=\S* euid=\S* tty=dovecot ruser=\S* rhost=<HOST>(?:\s+user=\S*)?\s*$
+            ^%(__prefix_line)s(?:pop3|imap|managesieve)-login: (?:Info: )?(?:Aborted login|Disconnected)(?::(?: [^ \(]+)+)? \((?:auth failed, \d+ attempts( in \d+ secs)?|tried to use (disabled|disallowed) \S+ auth)\):( user=<[^>]+>,)?( method=\S+,)? rip=<HOST>(?:, lip=\S+)?(?:, TLS(?: handshaking(?:: SSL_accept\(\) failed: error:[\dA-F]+:SSL routines:[TLS\d]+_GET_CLIENT_HELLO:unknown protocol)?)?(: Disconnected)?)?(, session=<\S+>)?\s*$
+            ^%(__prefix_line)s(?:Info|dovecot: auth\(default\)|auth-worker\(\d+\)): pam\(\S+,<HOST>\): pam_authenticate\(\) failed: (User not known to the underlying authentication module: \d+ Time\(s\)|Authentication failure \(password mismatch\?\))\s*$
+            ^%(__prefix_line)s(?:auth|auth-worker\(\d+\)): (?:pam|passwd-file)\(\S+,<HOST>\): unknown user\s*$
+            ^%(__prefix_line)s(?:auth|auth-worker\(\d+\)): Info: ldap\(\S*,<HOST>,\S*\): invalid credentials\s*$
+
+ignoreregex =
+
+[Init]
+
+journalmatch = _SYSTEMD_UNIT=dovecot.service
+
+# 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)
+# * Removed the 'no auth attempts' log lines from the matches because produces
+#    lots of false positives on misconfigured MTAs making regexp unusable
+#
+# Author: Martin Waschbuesch
+#         Daniel Black (rewrote with begin and end anchors)
+#         Martin O'Neal (added LDAP authentication failure regex)
+#         Sergey G. Brester aka sebres (reviewed, optimized, IPv6-compatibility)
diff --git a/roles/common/files/etc/logcheck/ignore.d.server/dovecot-local b/roles/common/files/etc/logcheck/ignore.d.server/dovecot-local
index aca4794..66c8101 100644
--- a/roles/common/files/etc/logcheck/ignore.d.server/dovecot-local
+++ b/roles/common/files/etc/logcheck/ignore.d.server/dovecot-local
@@ -1,28 +1,17 @@
 # Ansible Managed
 # Do NOT edit this file directly!
 #
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\): Disconnected(: Logged out| for inactivity( in reading our output)?|: Disconnected( in [[:upper:]]+)?| in [[:upper:]]+( \([[:digit:]]+ msgs, [[:digit:]]+ secs, [[:digit:]]+/[[:digit:]]+ bytes\))?|: Too many invalid IMAP commands\.|: IMAP session state is inconsistent, please relogin\.)? in=[[:digit:]]+ out=[[:digit:]]+$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: managesieve\([-_.@[:alnum:]]+\): (Connection closed|Disconnected for inactivity) bytes=[[:digit:]]+/[[:digit:]]+$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\): Connection closed(: Connection reset by peer|: Invalid argument)?( in=[[:digit:]]+ out=[[:digit:]]+)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Login: user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, mpid=[0-9]+(, (TLS|secured)(: Disconnected)?, session=<[^>]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Aborted login( \(auth failed, [[:digit:]]+ attempts in [[:digit:]]+ secs\))?: (user=<[^>]*>, method=[[:alnum:]-]+, )?rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS, session=<[^>]+>$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: (Disconnected|Aborted login)(: Inactivity)? (\(no auth attempts in [[:digit:]]+ secs\):( user=<>,)?|\(auth failed, [[:digit:]]+ attempts in [[:digit:]]+ secs\): user=<[^>]*>, method=PLAIN,|\(aborted authentication\): method=PLAIN,) rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, (TLS|SSL)( handshaking)?(: SSL_(accept|read)\(\) (syscall failed: Connection reset by peer|failed: error:140940E5:SSL routines:SSL3_READ_BYTES:ssl handshake failure: SSL alert number 10|failed: error:14094412:SSL routines:SSL3_READ_BYTES:sslv3 alert bad certificate: SSL alert number 42|failed: error:14094416:SSL routines:SSL3_READ_BYTES:sslv3 alert certificate unknown: SSL alert number 46|failed: error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca: SSL alert number 48|failed: error:[[:xdigit:]]+:SSL routines:SSL2?3_GET_CLIENT_HELLO:(unknown protocol|unsupported protocol|http request|no shared cipher|wrong version number)|failed: error:[[:xdigit:]]+:SSL routines:SSL_BYTES_TO_CIPHER_LIST:inappropriate fallback)|: Disconnected)?|, secured)?, session=<[^>]+>$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: auth: Warning: auth client [[:digit:]]+ disconnected with [[:digit:]]+ pending requests: EOF$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Warning: Auth connection closed with [[:digit:]]+ pending requests \(max [[:digit:]]+ secs, pid=[[:digit:]]+, EOF\)$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Disconnected \((auth process communication failure|client didn't finish SASL auth, waited [[:digit:]]+ secs)\): user=<>, method=PLAIN, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, (TLS|secured)(: SSL_read\(\) syscall failed: Connection reset by peer|: Disconnected)?, session=<[^>]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Error: SSL: Stacked error: error:140943F2:SSL routines:SSL3_READ_BYTES:sslv3 alert unexpected message: SSL alert number 10$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap-login: (Disconnected: Inactivity during authentication|Aborted login) \(client didn't finish SASL auth, waited [[:digit:]]+ secs\): user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, (TLS|secured)(: Disconnected)?, session=<[^>]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Disconnected \(tried to use unsupported auth mechanism\): user=<>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, (TLS|secured), session=<[^>]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([0-9]+, [-_.@[:alnum:]]+\): [^:]{22}: msgid=<?.*>?( \((added by [^[:space:]]+|sfid-[_[:xdigit:]]+)\)?)?[[:space:]]*: (saved mail to [-_.[:alnum:]]+|(forwarded|discarded duplicate forward) to <[^[:space:]]+>)$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Maximum number of connections from user\+IP exceeded \(mail_max_userip_connections=[[:digit:]]+\): user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, (TLS|secured), session=<[^>]+>)?$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\): (Logged out|Disconnected for inactivity) in=[[:digit:]]+ out=[[:digit:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap\([-_.@[:alnum:]]+\): Connection closed( \(IDLE running for .*\))? in=[[:digit:]]+ out=[[:digit:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: imap-hibernate\([-_.@[:alnum:]]+\): Connection closed in=[[:digit:]]+ out=[[:digit:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Login: user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, mpid=[0-9]+, (TLS|secured), session=<[^>]+>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: (Aborted login|Disconnected) \(auth failed, [[:digit:]]+ attempts in [[:digit:]]+ secs\): user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, (TLS(: Disconnected)?|secured), session=<[^>]+>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: (Aborted login|Disconnected(: Inactivity)?) \(no auth attempts in [[:digit:]]+ secs\): user=<>, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS( handshaking|: Disconnected)?(: SSL_(accept|read)\(\) syscall failed: (Connection reset by peer|Success))?, session=<[^>]+>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap)-login: Disconnected(: Inactivity during authentication)? \(client didn't finish SASL auth, waited [[:digit:]]+ secs\): user=<>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+, TLS(: SSL_read\(\) syscall failed: Connection reset by peer)?, session=<[^>]+>$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+\): [+/[:alnum:]]{22}: msgid=((\? )?<[^>]*>|unspecified): saved mail to\s
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+\): [+/[:alnum:]]{22}(:[0-9]+)?: sieve: msgid=((\? )?<[^>]*>|unspecified): (stored mail into mailbox '|(forwarded|discarded duplicate forward) to <[^[:space:]]+>$|marked message to be discarded if not explicitly delivered \(discard action\)$)
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([^@]+@[^@]+\): [+/[:alnum:]]{22}:[0-9]+: sieve: Execution of script \S+ failed, but implicit keep was successful \(user logfile \S+ may reveal additional details\)$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: (pop3|imap|managesieve)-login: Maximum number of connections from user\+IP exceeded \(mail_max_userip_connections=[[:digit:]]+\): user=<[^>]*>, method=[[:alnum:]-]+, rip=[.:[:xdigit:]]+, lip=[.:[:xdigit:]]+(, TLS, session=<[^>]+>)?$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+\): Connect from local$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+\): Disconnect from local: (Client quit|Connection closed) \(in reset\)$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+, [^@]+@[^@]+\): [+/[:alnum:]]{22}: sieve: msgid=(\S+ )?|<[^>]*>( \(added by \S+\))?: (stored mail into mailbox '|marked message to be discarded if not explicitly delivered \(discard action\)$|forwarded to )
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([-_.@[:alnum:]]+, [^@]+@[^@]+\): [+/[:alnum:]]{22}: sieve: execution of script \S+ script failed, but implicit keep was successful \(user logfile \S+ may reveal additional details\)$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: lmtp\([0-9]+\): Disconnect from local: Successful quit$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: managesieve\([-_.@[:alnum:]]+\): Disconnected: Logged out bytes=[[:digit:]]+/[[:digit:]]+?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: ssl-params: (Generating SSL parameters|SSL parameters regeneration completed)$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: stats: Warning: UPDATE-CMD: Already expired$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: stats: Warning: Couldn't find session GUID: [[:xdigit:]]{32}$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dovecot: stats: Error: Mail server input error: UPDATE-SESSION [-_.@[:alnum:]]+ imap: stats shrank: (mcache|mlpath|mrbytes|mrcount) [[:digit:]]+ < [[:digit:]]+$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ systemd\[1\]: Start(ing|ed) Dovecot authentication proxy\.(\.\.)?$
diff --git a/roles/common/files/etc/logcheck/ignore.d.server/postfix-local b/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
index 7df68c4..6a11392 100644
--- a/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
+++ b/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
@@ -19,15 +19,15 @@
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/n?qmgr\[[[:digit:]]+\]: [[:xdigit:]]+: message-id=(<[^>]*>|[[:alnum:]_/+.$@-]+)( \(added by [^[:space:]]+\))?
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/n?qmgr\[[[:digit:]]+\]: [[:xdigit:]]+: removed$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/n?qmgr\[[[:digit:]]+\]: [[:xdigit:]]+: skipped, still being delivered$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/verify\[[[:digit:]]+\]: cache \S+A partial cleanup: retained=[[:digit:]]+ dropped=[[:digit:]]+ entries$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/verify\[[[:digit:]]+\]: cache [a-z]+:\S+ (partial|full) cleanup: retained=[[:digit:]]+ dropped=[[:digit:]]+ entries$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix(-\w+)?/smtpd\[[[:digit:]]+\]: disconnect from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]( (ehlo|helo|xforward|starttls|auth|mail|rcpt|data|noop|rset|quit|commands|unknown)=[0-9]+(/[0-9]+)?)+$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/pickup\[[[:digit:]]+\]: [[:xdigit:]]+: uid=[[:digit:]]+ from=<[^>]*>$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/cleanup\[[[:digit:]]+\]: [[:xdigit:]]+: replace: header\s
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: [[:xdigit:]]+: client=[^[:space:]]+, sasl_method=[-[:alnum:]]+, sasl_username=[-_.@[:alnum:]]+(, sasl_sender=[-_.@[:alnum:]]+)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: warning: [-._[:alnum:]]+\[[.[:digit:]]+\]: SASL (PLAIN|LOGIN) authentication (failed|aborted)(:[ [:alnum:]]*)?$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: warning: [-._[:alnum:]]+\[[[:xdigit:].:]{3,39}\]: SASL (PLAIN|LOGIN) authentication (failed|aborted)(:[ [:alnum:]]*)?$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: improper command pipelining after (EHLO|HELO|MAIL|QUIT) from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]:
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: warning: hostname [._[:alnum:]-]+ does not resolve to address [[:xdigit:].:]{3,39}(: Name or service not known)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: warning: Connection concurrency limit exceeded: [0-9]+ from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\] for service smtpd$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: warning: Connection concurrency limit exceeded: [0-9]+ from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\] for service (submission|smtpd)$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]){2} <[^>]+>: Helo command rejected: need fully-qualified hostname;( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^>]+>)?$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 4[[:digit:]]{2} 4(\.[[:digit:]]){2} <[^>]+>: Sender address rejected: Domain not found;( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^>]+>)?$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]){2} Service unavailable; (Unverified Client host|Sender address) \[\S+\] blocked using [._[:alnum:]-]+; https?://[^[:blank:];]+; from=<[^>]*> to=<[^>]+> proto=E?SMTP( helo=<[^>]+>)?$
@@ -72,6 +72,7 @@
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: warning: ([-._[:alnum:]]+): RBL lookup error: Host or domain name not found\. Name service error for name=\1 type=A(AAA)?: Host not found, try again$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(mx|msa)/(smtpd|tlsproxy)\[[[:digit:]]+\]: warning: TLS library problem: error:[[:xdigit:]]+:SSL routines:SSL2?3_(GET_RECORD:(decryption failed or bad record mac|wrong version number):s3_pkt\.c:[0-9]+:|READ_BYTES:(reason\([[:digit:]]+\)|sslv3 alert (unexpected message|bad certificate)):s3_pkt\.c:[[:digit:]]+:SSL alert number (0|10|42):|GET_CLIENT_HELLO:(unsupported protocol|no shared cipher|unknown protocol|wrong version number):s2?3_srvr\.c:[0-9]+:)$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/tlsproxy\[[[:digit:]]+\]: warning: TLS library problem: error:[[:xdigit:]]+:SSL routines:tls_post_process_client_hello:no shared cipher:\.\./ssl/statem/statem_srvr\.c:[0-9]+:$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: warning: TLS library problem: error:[[:xdigit:]]+:SSL routines:tls_process_client_hello:(no shared cipher|unknown protocol|version too low):\.\./ssl/statem/statem_srvr\.c:[0-9]+:$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: (NOQUEUE|[[:xdigit:]]+): reject: [[:upper:]]+ from [^[:space:]]+: 554( 5\.1\.[01])? <[^[:space:]]*>: Recipient address rejected: User unknown in virtual alias table;( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^[:space:]]+>)?$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: [[:xdigit:]]+: reject: RCPT from [^[:space:]]+: [45][[:digit:]][[:digit:]]( [45](\.[[:digit:]]){2})? <[^[:space:]]*>: Helo command rejected: .+; from=<[^>]*> to=<[^>]+> proto=E?SMTP helo=<[^[:space:]]+>$
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: too many errors after ([[:upper:]]{4}|END-OF-MESSAGE|UNKNOWN|DATA \(0 bytes\)) from [._[:alnum:]-]+\[[.[:digit:]]+\]$
diff --git a/roles/common/tasks/fail2ban.yml b/roles/common/tasks/fail2ban.yml
index be26c79..da4db51 100644
--- a/roles/common/tasks/fail2ban.yml
+++ b/roles/common/tasks/fail2ban.yml
@@ -8,6 +8,7 @@
         mode=0644
   register: r1
   with_items:
+    - dovecot.conf
     - roundcube.conf
   notify:
     - Restart fail2ban
diff --git a/roles/common/templates/etc/fail2ban/jail.local.j2 b/roles/common/templates/etc/fail2ban/jail.local.j2
index eb6a7fb..c493958 100644
--- a/roles/common/templates/etc/fail2ban/jail.local.j2
+++ b/roles/common/templates/etc/fail2ban/jail.local.j2
@@ -65,7 +65,7 @@ maxretry = 10
 [dovecot]
 
 enabled = true
-port    = imap2,imap3,imaps,pop3,pop3s
+port    = imap2,imaps,pop3,pop3s,sieve
 filter  = dovecot
 logpath = /var/log/mail.log
 {% endif %}
diff --git a/roles/common/templates/etc/iptables/services.j2 b/roles/common/templates/etc/iptables/services.j2
index 87e54d6..93342cb 100644
--- a/roles/common/templates/etc/iptables/services.j2
+++ b/roles/common/templates/etc/iptables/services.j2
@@ -33,6 +33,7 @@ out     tcp     25                                      # SMTP
 {% if 'IMAP' in group_names %}
 in      tcp     993                                     # IMAPS
 in      tcp     4190                                    # MANAGESIEVE
+out     tcp     2703                                    # Razor2
 {% endif %}
 {% if 'MSA' in group_names %}
 in      tcp     587                                     # SMTP-AUTH