1*9a747e4fSDavid du Colombier# convert source domain address to a chain a@b@c@d... 2*9a747e4fSDavid du Colombier@([^@!,]*):([^!@]*)@([^!]*) alias \2@\3@\1 3*9a747e4fSDavid du Colombier@([^@!]*),@([^!@,]*):([^!@]*)@([^!]*) alias @\1:\3@\4@\2 4*9a747e4fSDavid du Colombier 5*9a747e4fSDavid du Colombier# convert a chain a@b@c@d... to ...d!c!b!a 6*9a747e4fSDavid du Colombier([^@]+)@([^@]+)@(.+) alias \2!\1@\3 7*9a747e4fSDavid du Colombier([^@]+)@([^@]+) alias \2!\1 8*9a747e4fSDavid du Colombier 9*9a747e4fSDavid du Colombier# all mail 10*9a747e4fSDavid du Colombierplan9\.bell-labs\.com!(.*) | "/mail/lib/qmail '\s' 'net!plan9\.bell-labs\.com'" "'\1'" 11*9a747e4fSDavid du Colombier.* | "/mail/lib/qmail '\s' 'net!plan9\.bell-labs\.com'" "'&'" 12