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?cPanel mail sends but doesn't receive after a migration
From your documented experience
You've hit this after migrations before — the domain is missing from /etc/localdomains. Confirm read-only first:
grep -w "example.com" /etc/localdomains # no match = root cause exim -bt [email protected] # no "router = ..." line
Fix: WHM → Email Routing Configuration → select the domain → Local Mail Exchanger → Save. Reversible; blast radius is inbound mail for that one domain.
↳ from your runbook: cPanel mail account sends but doesn't receive after migration
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