postfix＋procmailでローカルに配信するのはqmailとちょっと違う。
[~/.fetchmailrc]
set syslog
set postmaster "myname"
set daemon 300
poll pop3mailserver with proto POP3 and options no dns
user "myaccount" there with password "mypass"
is myname@myhost.mydomain
(以前はここが is myname hereで良かった)
no keep no forcecr