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Anyone can implement DMARC, even spammers. DMARC does not reduce spam in any meaningful way, but it does prevent impersonation.
by LeonM 3y ago
Anyone can implement DMARC, even spammers.
DMARC does not reduce spam in any meaningful way, but it does prevent impersonation.
- thedougd 3y agoNo, it won't help your inbound spam. Spammers can't sign your domain. It will, however, help his legitimate sent emails get through to trusted parties or as his domain reputation improves.