etc/logcheck/violations.ignore.d/logcheck-sendmail_tmp

   1 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ (sendmail|sm-(mta|msp|que))\[[0-9]+\]: ruleset=check_relay, arg1=[._[:alnum:]-]+, arg2=[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}, relay=[._[:alnum:]-]+ \[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\], reject=[0-9]+ [0-9]\.[0-9]\.[0-9] [0-9]+Blocked by [._[:alnum:]:/-]+$
   2 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ (sendmail|sm-(mta|msp|que))\[[0-9]+\]: [[:alnum:]]+: ruleset=check_mail, arg1=<.*>, relay=([._[:alnum:]@-]+ )?\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\]( \(may be forged\))?, reject=[0-9]+ [0-9]\.[0-9]\.[0-9] <.*>\.\.\. +[0-9]+Blocked by [._[:alnum:]:/-]+$