On 2017-02-16 (07:21 MST), David Jones <djo...@ena.com> wrote: > >> From: Christian Grunfeld <christian.grunf...@gmail.com> >> Sent: Thursday, February 16, 2017 7:50 AM >> To: Spamassassin List >> Subject: Re: Filtering outbound mail > >> Are you using postfix as MTA? I use cluebringer suite which >> has a lot of functionality (spf checks, helo checks, greylist >> and quotas) > > I am using Postfix and cluebringer does looks pretty slick > so I will check into that. > >> Quotas are fully configurable by tracking inbound and >> outbound trafic by ip, sasl user, etc > > These outbound senders are my own internal customers > smarthosting through my mail relays so I can't do things > like rate limiting, greylisting, SPF checks, HELO checks, > etc. on them like I do for Internet inbound mail.
Oh yes you can, and yes you should. At the very least a sane rate-limit will catch instances where customers get compromised. -- Apple broke AppleScripting signatures in Mail.app, so no random signatures.
