Google Is Ending Gmail’s Third-Party “Send As”: What to Do Before 2027

Limitation: administration and security policy can become fragmented across devices.

Option 3: Use the Gmail mobile application

Google says third-party accounts can continue to be accessed through the Gmail mobile app using standard IMAP connectivity.

Best for: mobile access and transitional use.

Limitation: this should not automatically be treated as a complete enterprise email strategy.

Option 4: Move to a dedicated Business Email Solution

For companies that depend on professional email as a core business system, migration to a purpose-built Business Email Solution can provide centralized control over domains, users, authentication, encryption, policies and deployment.

Key takeaway: The strongest response isn't merely finding another way to click “Send.” It is designing an email architecture that your organization can control and secure long-term.

Why SPF, DKIM and DMARC Matter More Than Ever

SPF, DKIM and DMARC form a foundational email-authentication framework that helps organizations verify authorized sending infrastructure, protect message integrity and reduce domain spoofing. When changing email providers or SMTP infrastructure, these records must be reviewed and correctly configured so legitimate business email continues to reach recipients reliably.

Definition

• SPF identifies servers authorized to send email for a domain.
• DKIM adds a cryptographic signature to outgoing messages.
• DMARC lets domain owners define how receiving systems should handle messages that fail authentication checks.