on 2013-11-11 1:45 David Mann wrote
Catch-all addresses are critically dependent on good spam filters because they are absolute magnets for junk mail as spammers often send out messages to random gibberish addresses.
having run a catch-all for 14 years, i have heard this caution many times, and yet i have forged ahead … i get stray spam to such addresses in small quantities; perhaps commercial domains are more of a magnet for such
the only real problems have been three or so times that gibberish addresses at my domain were used as _return_ addresses on spam; this triggered floods of a few thousand spam rejection messages and undeliverables; spam filters don't help a lot with this kind of bounce problem, but a simple filter setup makes it controllable — messages to unknown addresses go to a certain non-default IMAP mailbox that the mail client does not auto-sync; and it's been a few years since that has happened
Supporting email problems is a horrible job and I don't miss it one bit.
i have had a small taste of that; it is no fun just trying to get a clear problem report …
support from my small local ISP has been great overall, but email was never their forté; i should have switched to Fastmail years earlier; Fastmail is also a worthy solution for a small organization that doesn't want to use Google Apps
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