nullmailer

^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Trigger pulled\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Rescanning queue\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Starting delivery, [0-9]+ message\(s\) in queue\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Starting delivery: host: [._[:alnum:]-]+ protocol: smtp file: [.0-9]+$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: From: <[._[:alnum:]+-]+@[[:alnum:]-]+\.[.[:alnum:]-]+> to: <[._[:alnum:]+-]+@[[:alnum:]-]+\.[.[:alnum:]-]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Message-Id: <[._[:alnum:]+-]+@[[:alnum:]-]+\.[.[:alnum:]-]+>$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: smtp: Succeeded: 250 2\.6\.0 +<[._[:alnum:]+-]+@[.[:alnum:]-]+> (\[InternalId=[0-9]+(, Hostname=[._[:alnum:]-]+|)\] |)([0-9]+ bytes in [.0-9]+, [,0-9]+ KB\/sec |)Queued mail for delivery$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Sent file\.$
^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nullmailer-send\[[.[:alnum:]]+\]: Delivery complete, [0-9]+ message\(s\) remain\.$