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# Migadu
<https://migadu.com/>
## A strategy to handle email addresses
Email addresses can be "vanity" or "non-vanity".
Vanity email addresses are meant to be public and memorable, for example `firstname@lastname.tld`.
Set up any vanity domains that you want, and a non-vanity domain.
### Non-vanity email addresses
In the non-vanity domain, you create the `{me}{code}@nonvanity.tld` mailbox.
`{me}` identifies you, you can have multiple users with different `{me}` identifiers in a single non-vanity domain.
This strategy uses `{code}` to obfuscate email addresses.
When you use `{code}` in an email address, you should be able to identify if the `{code}` is valid or not.
For example, you could use a four-digit `{code}` and store what code you have used for each address.
If you use `x3452` and store this code, when you receive an email that does not match, such as `x3453`, you know the code is incorrect.
Alternatively, you can use hashing so that you do not have to store all codes.
No one except you should know about `{me}{code}@nonvanity.tld`.
Then you create a pattern rewrite from `{me}.*@nonvanity.tld` to `{me}{code}@nonvanity.tld`.
When you need a non-vanity email address, you create a new `{me}.{entity}{code}@nonvanity.tld`, where `{entity}` is the entity that communicates with this email address and `{code}` is a **new** code.
Mails received at `{me}@nonvanity.tld` are incorrect.
Mails received without the correct code are incorrect.
### Vanity email addresses
Create any needed `{id}@vanity.tld` addresses.
Different from non-vanity email addresses, vanity email addresses can be guessed and you cannot identify invalid email.
TODO: set forwarding from `{id}@vanity.tld` to `{me}.{vanityid}{code}@nonvanity.tld`.
### TODO Filing
Because each vanity email address and entity has a different email address, you can file emails automatically into folders if wanted.
## Notes
* Aliases do *not* have plus addressing, use a "pattern rewrite" instead.
* New domains come with 'junk messages with word "SPAM" in subject (case insensitive)' on by default; go to domain, spam filtering, aggresiveness to disable.
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