Originally posted by pdawg
Hmm, seems a bit complicated...
Can't sendmail or qmail do something like this for me? (never used either of those, but understand that sendmail is already loaded?)
I have someone manage my server for me, and he claims that as long as I set the MX record up it'll work for what I want... is that true? If so, whats to stop a spammer from setting that up in his MX record and relaying spam...
It's not that complicated, it's mainly just 2 firewall rules in iptables/ipchains or ipfw if using FreeBSD and writing a small custom script to do the checking, or if you use Linux, you can use heartbeat and just write a script to interface iptables/ipfw for that purpose.
If you send me an e-mail at email@example.com
, I can explain further in detail.