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Gmail has a limited version of this. It leaks your real address, but it makes filtering easy.

<yourname>+<arbitrary_str>@gmail.com

steve+randoburger@gmail.com

I've seen places that won't allow a "+" saying it's an invalid character.

I use PurelyMail to get email redirection with wildcard support. Costs $4/year when I use it with Gmail for the actual storage.

I use an underscore so my addresses look like evidlo_[placholder]@example.com

gblargg 3 days ago [ - ]

So they don't charge for emails if they are forwarded? Do you have a link where they describe underscore aliases?

Evidlo 3 days ago [ - ]

I use their "Advanced" billing mode which is usage-based and ended up cheaper than the fixed-price "Simple" mode. This was my bill for last month (received ~300 emails):

    Total: $0.35
    Storage (GB/month): 0.00 ($0.00)
    Emails sent to non-Purelymail accounts: 19 ($0.00)
    Emails sent: 19 ($0.00)
    Emails sent (GB): 0.00 ($0.00)
    Yearly account fee (days): 30 ($0.33)
    Shared-domain user fees: $0.02

They don't actually support wildcards, but there's a matching pattern "Any address starting with" for which I just entered "evidlo".

https://purelymail.com/docs/routing

rendx 2 days ago [ - ]

No need for a filter rule apparently!

https://purelymail.com/docs/features

"Subaddressing allows you to tag the email addresses you give out. […] This also works with example_tagged@purelymail.com (in fact, everything after the first symbol- anything not a letter- in an address is ignored for routing) […]"

rlpb 3 days ago [ - ]

Microsoft, for example, for a Windows login account does this.

1oooqooq 3 days ago [ - ]

ah! the fathers of slop vibe code: copy paste coders.

the "validate email input regex" that mistakenly rejects plus sign have been copy pasted for so long it might live on forever.

SchemaLoad 3 days ago [ - ]

Could be by design. They want you using your main gmail address and not signing up multiple times.

1oooqooq a day ago [ - ]

you'd think if that was the only thing broken on that copy-pasted-regex.

ThePowerOfFuet 3 days ago [ - ]

It's a standard, but it also makes figuring out your canonical address easy, which is great for ad tracking via sharing the hash of the canonical address easy. (They say they never share your address, but they don't say anything about a hash of it using the algo agreed upon industry-wide...)

Migadu allowed me to use - instead, so firstname-*@ also ends up in my inbox (firstname@).