If you don't want to annoy a lot of people your spamming (oops, newsletter sending) software needs to deal with NDRs back from recipient's domains and either put their subscription on hold after a small number of failures or automatically cancel them.
There's nothing worse than mailing lists which keep sending to non-existent recipients. Cheers, Phil -- Phil Randal Network Engineer Herefordshire Council Hereford, UK > -----Original Message----- > From: mizzio [mailto:[EMAIL PROTECTED] > Sent: 19 September 2007 11:07 > To: users@spamassassin.apache.org > Subject: OT - massive newsletter > > hello everybody, > > I apologize to ask an off-topic question, and feel free to point me to > any other resources on the net. > > I'm setting up an SMTP server (centos + qmail) on a dell quad core > machine for sending out a periodic newsletter (10 millions a month). > > In order to avoid any possible blacklisting problem, I'm > looking for all > the best practices. Right now I've set up: > > - Dedicated public IP address > - Dedicated domain and MX record with correct reverse resolution. > > I'm looking into in SPF but I have no experience on this. > > Any help is greatly appreciated. > > Thank you. > Maurizio > >
