The same issue is occuring with SASL authentication requests:
Mar 18 18:40:54 mail postfix/smtps/smtpd[3609]: CEAC19CA27: client=...,
sasl_method=PLAIN, sasl_username=...
The attached patch includes the previous patch plus a fix for this.
-Steve
=== modified file 'logcheck/ignore.d.server/postfix'
--- logcheck/ignore.d.server/postfix 2014-03-06 14:28:32 +0000
+++ logcheck/ignore.d.server/postfix 2014-03-18 20:24:44 +0000
@@ -97,7 +97,7 @@
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: (NOQUEUE|[[:xdigit:]]+): reject: (HE|EH)LO from [^[:space:]]+\[[[:digit:].]{7,15}\]: [45][[:digit:]]{2}( [45](\.[[:digit:]]){2})? <[^[:space:]]*>: Helo command rejected: .+; proto=E?SMTP helo=<[^[:space:]]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: (NOQUEUE|[[:xdigit:]]+): reject: [[:upper:]]+ from [^[:space:]]+: 550( 5\.1\.[01])? <[^[:space:]]*>: (Sender|Recipient) address rejected: User unknown in ((local|relay) recipient|virtual alias) table;( from=<[^[:space:]]*> to=<[^[:space:]]+>)? proto=E?SMTP( helo=<[^[:space:]]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: (NOQUEUE|[[:xdigit:]]+): reject: [[:upper:]]+ from [^[:space:]]+: 450( 4\.1\.8)? <[^>]*>: Sender address rejected: Domain not found;( from=<[^>]*> to=<[^[:space:]]+>)? proto=E?SMTP( helo=<[^[:space:]]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: (dis)?connect from [^[:space:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/(smtps/)?smtpd\[[[:digit:]]+\]: (dis)?connect from [^[:space:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: NOQUEUE: discard: RCPT from [^[:space:]]+: <[^[:space:]]*>: .+; from=[^[:space:]]+ to=[^[:space:]]+ proto=E?SMTP helo=<[^[:space:]]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: NOQUEUE: milter-reject: MAIL from [-._[:alnum:]]+\[[.[:digit:]]+\]: 451 4\.(7\.1 Service unavailable|3\.2 AV system temporarily overloaded) - (please )?try (again )?later; proto=E?SMTP helo=<[^[:space:]]+>$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: NOQUEUE: milter-reject: MAIL from [^[:space:]]+: .+; from=[^[:space:]]+ proto=E?SMTP helo=<[^[:space:]]+>$
@@ -108,7 +108,7 @@
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: OTP unavailable because can't read/write key database /etc/opiekeys: No such file or directory$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: SSL_accept error from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: -?[[:digit:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: [[:alnum:]]+: client=[._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: [[:alnum:]]+: client=[^[:space:]]+, sasl_method=[-[:alnum:]]+, sasl_username=[-_.@[:alnum:]]+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/(smtps/)?smtpd\[[[:digit:]]+\]: [[:alnum:]]+: client=[^[:space:]]+, sasl_method=[-[:alnum:]]+, sasl_username=[-_.@[:alnum:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: [[:alnum:]]+: client=[^[:space:]]+, sasl_sender=.*$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: [[:alnum:]]+: reject: (CONNECT|RCPT) from [^[:space:]]+: [45][[:digit:]][[:digit:]]( [[:digit:]]\.[[:digit:]]\.[[:digit:]])? Client host rejected: cannot find your hostname, [^[:space:]]+; (from=[^[:space:]]+ to=[^[:space:]]+ )?proto=E?SMTP( helo=[^[:space:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix/smtpd\[[[:digit:]]+\]: [[:upper:][:digit:]]+: reject: (CONNECT|RCPT) from [^[:space:]]+: [45][[:digit:]][[:digit:]]( [45](\.[[:digit:]]){2})? Service unavailable; Client host \[([[:digit:].]{7,15}|[-._[:alnum:]]+)\] blocked using [._[:alnum:]-]+;( .+;)? (from=<[^[:space:]]*> to=<[^[:space:]]+> )?proto=E?SMTP( helo=<[^[:space:]]+>)?$
