I have a feature (called greylisting) whereby my server intentionally rejects the first mail it receives from a domain.
I have never had anyone claim that their mail has not been delivered to me, and I get a lot of mail.
Retry is built in to the spec, and if you’re really worried you can put a second “receive” SMTP server on the internet with a lower priority, and have it backhaul with LMTP.
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Email was designed in a time where hosts were not perpetually connected to each other.
I have never had anyone claim that their mail has not been delivered to me, and I get a lot of mail.
Retry is built in to the spec, and if you’re really worried you can put a second “receive” SMTP server on the internet with a lower priority, and have it backhaul with LMTP.
———
Email was designed in a time where hosts were not perpetually connected to each other.