On Oct 3, 2013, at 06.30, Mark Goodge <m...@good-stuff.co.uk> wrote: > I know I could solve the problem by using authentication, but a lot of the > outbound email is generated by cron scripts on a server inside the network, > and rewriting all of them to authenticate when sending mail is likely to be > considerably more effort than updating mynetworks as and when the IP changes.
use a simple null client. i'd recommend msmtp. no configuration changes to the cron jobs or scripts they run is necessary. -ben