#SMTP

Website reachable but the mail server won't respond, a browser check doesn't see this outage

Guides

Monitoring Mail Servers & DKIM: Reachability No Browser Check Sees

Why a reachable website ≠ working mail, and how SMTP/IMAP monitors and auth-record checks (DKIM, SPF) catch delivery problems early.

Florian Zaskoku19 Jul 202610 min read