Mail Max · your domain

Fixes inbound and outbound mail DNS for best deliverability. Preview first; nothing changes until you click Apply. MTA-STS mode: testing.

Google Admin → Apps → Google Workspace → Gmail → Authenticate email → Generate new record (2048-bit, prefix google). Copy the TXT value.
Paste it below → Preview → check → Apply.
Back in Google Admin click Start authentication.

Admin key DKIM value from Google Admin (starts with v=DKIM1) DMARC policy (raise it in stages, about 2 weeks apart) Google Postmaster Tools verification (optional: google-site-verification=…)