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Sadly, if you're sending e-mail sanely, your mail provider likely validates recipients, and will be annoyed at you if you send them recipients they think are bo
by GauntletWizard 11y ago
Sadly, if you're sending e-mail sanely, your mail provider likely validates recipients, and will be annoyed at you if you send them recipients they think are bogus.
- belovedeagle 11y agoThe relevant rfc (on mobile; don't remember which) specifically states that intermediate servers must not validate mailboxes (local parts). And honestly the domain should be "validated" by the server doing an mx lookup; let dns handle it.