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The way I get around that is by having a static keyword that must also appear on the user side of the email address. So, if I'm dealing with Walmart, I would g
by jawns 9y ago
The way I get around that is by having a static keyword that must also appear on the user side of the email address.
So, if I'm dealing with Walmart, I would give them:
[keyword].walmart@example.com
or
walmart.[keyword]@example.com
Then I configure my catch-all settings to reject any email addresses that don't have that keyword.
Of course, the keyword is not secret, so it's possible for someone to infer what I'm doing and construct an email address that passes my spam check, but in practice, nobody goes through the trouble, because I'm not a big enough target.
- wiredfool 9y agoYeah, I wound up using name-tag@domain, but because I used a dash rather than plus, I'm forever doomed to run my own mailserver. (fwiw, this domain is almost 20 years old, so that's forever in internet years)
- lorenzhs 9y agoI use my domain with FastMail, they support aliases and catch-all and lots of other nice things on custom domains. They also do DKIM, SPF, etc. So you don't have to run your own mail server if you don't want to ;) https://www.fastmail.com/help/receive/domains.html https://www.fastmail.com/help/receive/domains.html https://www.fastmail.com/help/receive/domains-setup-mxonly.html https://www.fastmail.com/help/receive/domains-setup-mxonly.h... https://www.fastmail.com/help/receive/alias-catchall.html https://www.fastmail.com/help/receive/alias-catchall.html https://www.fastmail.com/help/receive/addressing.html https://www.fastmail.com/help/receive/addressing.html https://www.fastmail.com/help/receive/domains-advanced.html https://www.fastmail.com/help/receive/domains-advanced.html
- wiredfool 9y agoFastmail uses a +, I use a -. So, either I'd have to go in and alias all of them, or give up on the useful ones. Besides, there are 30 or so that I have black holes, from back when comment systems leaked email addresses.
- pavel_lishin 9y agoSounds vaguely like the way email addresses work in Ender's Game - typically, all mail would go to user%SECRET@server, and if you don't know SECRET, the email presumably bounces.