On Thu, 7 Oct 2004 03:26:57 +0100, Paul Ficinski wrote
There is no legit reason AFAICT for not relaying through your ISP.
I can think of several: Your ESP is not your ISP, and you wish to use
your ESP's SMTP servers for performance/security/other reasons.
As long as you're relaying through your ISP or ESP, I don't see a problem.
The thread was about direct-to-MX mail from dynamic IPs being rejected.