Google Workspace Admin Help: email sender guidelines
platform-doc
Google · Google Workspace Admin Help · 2026
How well we read it: read in full, on 2026-11-11
What we recorded
Cited by the play linkedin-job-post-trigger-note. Read 2026-11-11 through a fetch tool that can summarise; spot-check exact figures. All senders: SPF or DKIM, valid PTR, TLS, spam rate in Postmaster Tools below 0.3%. Over 5,000 messages a day: SPF, DKIM and DMARC, From alignment, one-click unsubscribe for marketing mail. Aim below 0.1%. Raise volume slowly, start with engaged recipients, avoid spikes. Says nothing about job-post triggers or reply rates.