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by jessejmc 3748 days ago
FastMail has an option to use subdomain addressing[0]. Instead of user+string@example.com, it can be string@user.example.com.

[0] https://www.fastmail.com/help/receive/addressing.html
1 comments
ChuckMcM 3748 days ago
That is an excellent solution as well. Qmail was pre-configured to work with '-' in the user string. But the use of subdomains would work as long as you could meet things like the Google DKIM checks.
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