My solution to this has been a catchall on my domain.
this post was submitted on 24 May 2024
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Privacy
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Why use a catch all when you can configure postfix to use _ as a separator instead of +. and then you can configure dovecot to automatically classify the selector into directories!
how do u set these up?
First purchase a domain. Cloudflare is definitely the cheapest but there are other options out there if you don't want to use Cloudflare.
Use an alias service like SimpleLogin or addy.io. addy.io has a cheaper 'lite' (limited) plan, SL has a cheaper 'premium' (unlimited) plan.
Alias is not catchall
They both will automatically create an address on-the-fly. Give a service whatever@domain.tld and it will automatically be generated and sent to your mailbox of choice.
Thanks, I’ve been using proton on my custom domains so far, who seem to support catch all email addresses*, although I’d love also to have a feature where I could cut off an email if it gets too spammy, I think I’ve seen that on some other alias services. Do you know if that’s something simple login can do?
Yes, both SL and addy.io have the feature to enable/disable individual addresses.
Nice thank u for the infos ❤️
If you're already doing your own domain, why not use something like anonaddy? That can.be selfhosted as well.
It's renamed to addy.io but you should still find it as AnonAddy
The answer is yes. The receiver can do whatever they want with the "localpart" of the email address.
However you will need to find a provider that supports it. For available services you are probably looking at one of two options:
- Get your own domain, you can then probably just filter to the
Toaddress however you want. - Use a email relay/masking service. This will allow you to generate "aliases" that forward to your regular email address.
If you want full control you can run your own email server. For example that is what I do. I generate addresses in the form of {description}-{signature}@me.example. So if they try to remove stuff the signature will fail and the mail will get rejected (well actually just heavily weighted as spam). I do this using Rspamd with a custom rule written in Lua. Full details of this setup are here: https://kevincox.ca/2022/07/07/signed-email-addresses/
I think what you’re looking for is called a “Catch-All” or wildcard email address. Basically it looks like this: *@yourdomain.tld, and you would set it up to forward to a real email address of your choosing.
These are typically managed either via your domain hosting provider, or possible through your email provider.
Be forewarned, this does open you up to getting more spam because everything is a valid email address.