Kris Deugau wrote: > Ralf Hildebrandt wrote: >> * Randal, Phil <[EMAIL PROTECTED]>: >>> 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. >> >> amen to that! > > Thirded. There's a "newsletter" that some of my spamfilter customers > want to get, and others want blacklisted, that doesn't *accept* mail > from the SMTP null sender. Period. I may start bouncing the > postmaster notices *I* get to deal with to their postmaster@ along > with a complaint about their RFC-violating behaviour. >
with postfix, you can use check_recipient_access with smtpd_restriction_classes to implement per recipient access controls. This may allow you to accept the newsletter (client ip and/or sender) only for those customers who want it. ... > I'd drop them in a deep dark hole (/dev/null feels about right) if > there weren't customers that actually *want* to receive their glop. :/
