* Use the alias domain for contacts
* Check there are not duplicate emails
* Check also in trash
* Use helper
* Set VERP for the forward phase to the contact domain
* Add pgp_fingerprint as index for contacts
* Removed check trash
* Only use reply domains for sl domains
* Configure via db wether the domain can be used as a reverse_domain
* Fix: typo
* reverse logic
* fix migration
* fix test
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Co-authored-by: Adrià Casajús <adria.casajus@proton.ch>
Co-authored-by: Son <nguyenkims@users.noreply.github.com>
