^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: warning: [^[:space:]]+: hostname [^[:space:]]+ verification failed: Host not found$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [[:alnum:]]+: reject: RCPT from [^[:space:]]+: [0-9]+ Client host rejected: cannot find your hostname, [^[:space:]]+; from=[^[:space:]]+ to=[^[:space:]]+ proto=(ESMTP|SMTP) helo=[^[:space:]]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: [A-Z0-9]+: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] <[^[:space:]]+>: (Sender|Recipient) address rejected: .+; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] <[^[:space:]]+>: Helo command rejected: .+; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+: [0-9]{3} <[^[:space:]]+>: Relay access denied; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: NOQUEUE: reject: RCPT from [^[:space:]]+: [45][0-9][0-9] Service unavailable; Sender address \[[^[:space:]]+\] blocked using [._[:alnum:]-]+; .*; from=<[^[:space:]]*> to=<[^[:space:]]+> proto=(ESMTP|SMTP) helo=<[^[:space:]]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtpd\[[0-9]+\]: warning: smtpd_peer_init: [0-9]+\.[0-9]+\.[0-9]+\.[0-9]+: hostname [^[:space:]]+ verification failed: (Temporary failure in name resolution|Name or service not known|No address associated with hostname)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtp\[[0-9]+\]: Peer verification: CommonName in certificate does not match: [._[:alnum:]-]+ != [._[:alnum:]-]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/smtp\[[0-9]+\]: [A-Z0-9]+: host [^[:space:]]+ said: [45][0-9][0-9] .* \(in reply to (HELO|EHLO|MAIL FROM|RCPT TO|end of DATA) command\)$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/policy-spf\[[0-9]+\]: handler sender_permitted_from: DUNNO$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ postfix/policy-spf\[[0-9]+\]: : SPF none: smtp_comment=SPF: domain of sender [^[:space:]]+ does not designate mailers, header_comment=[a-z\.]+: domain of [^[:space:]]+ does not designate permitted sender hosts$
