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Moving domain to Google Workspace, correct record bundle unclear

Google Workspace as of 2023 uses a single MX (smtp.google.com priority 1) instead of the old five records. SPF and DKIM remain, MX and SPF are the must-haves for delivery.

Try this first

  1. 1MX: a single record, smtp.google.com priority 1. The old ASPMX/ALT* set can be removed after migration.
  2. 2SPF (TXT at apex): v=spf1 include:_spf.google.com ~all. Do not stack multiple SPF records, use includes.
  3. 3DKIM: in Workspace admin under Apps > Gmail > Authenticate email, generate a 2048-bit key. Place the TXT at google._domainkey.yourdomain. Only click 'Start authentication' after the TXT is live.
  4. 4Domain verification: a temporary TXT 'google-site-verification=...' at apex to prove ownership, can be removed after verification.
  5. 5Teams equivalent: Google Meet needs no extra SRVs. Calendar works with SPF and DKIM alone.

When to bring us in

If you migrate during business hours and want dual delivery during cutover, we can plan it with a test account and monitoring.

See also

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