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Reject mail for unknown domains #4

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opened 2026-04-16 20:55:47 -05:00 by blakeridgway · 0 comments
blakeridgway commented 2026-04-16 20:55:47 -05:00
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Implement validation of recipient domains during the SMTP RCPT TO command so that connections from external senders are immediately rejected for any domain not explicitly hosted by the server.

Implement validation of recipient domains during the SMTP RCPT TO command so that connections from external senders are immediately rejected for any domain not explicitly hosted by the server.
blakeridgway added this to the SMTP — Inbound (Port 25) milestone 2026-04-16 20:55:47 -05:00
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Reference: ArclineIT/email#4
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