Gmail

Gmail and Google Workspace sender requirements and troubleshooting.

Featured articles

Gmail Sender Requirements: Authentication, DNS and Subscription Mail
Google publishes baseline requirements for all senders to personal Gmail accounts and additional requirements for domains …

All Gmail articles

Gmail Sender Requirements: Authentication, DNS and Subscription Mail
Google publishes baseline requirements for all senders to personal Gmail accounts and additional requirements for domains …
Check your domain's email security

Run the free Email Security Score to see how your domain's SPF, DKIM, DMARC, and DNS setup actually looks.

Run the free Email Security Score

Related topics

Email Authentication
How SPF, DKIM, and DMARC work together to prove an email really came from your domain.
SPF
Sender Policy Framework: syntax, DNS lookup limits, permerror, and common misconfigurations.
DKIM
DomainKeys Identified Mail: selectors, signing, alignment, and key rotation.
DMARC
DMARC policies, alignment, and aggregate/forensic reporting.
DNS
The DNS record types and concepts email authentication and delivery depend on.
SMTP
SMTP transport, STARTTLS, MTA-STS, and TLS reporting.
MXFend

Free email deliverability tools for domains.

Tools
Email Deliverability Checker SPF Checker DMARC Checker MX Checker
Guides
Knowledge Base Email auth guide Emails going to spam Domain reputation SMTP TLS MTA-STS TLS-RPT
Company
About Contact Privacy Terms Refund Policy
© 2026 MXFend. All rights reserved.