Google will no longer support the 'Send mail as' feature for third-party email addresses, such as @yahoo.com or @outlook.com, starting in January 2027.
According to Google's help documentation, support for these third-party email accounts will be phased out beginning in January 2027.
The removal of the 'Send mail as' functionality for third-party addresses will not affect Google Workspace aliases or other Gmail addresses owned by the user.
Removal of Gmailify and POP infrastructure
In addition to the 'Send mail as' feature, Google is removing Gmailify—a service providing spam protection and inbox organization for external accounts—and the web-based POP email fetching infrastructure.
Occasionally has to discontinue features that require a disproportionate amount of maintenance resources
— Google
The company stated that these discontinuations are part of its commitment to keeping Gmail secure, smart, and easy to use.
Impact on users
Users who intend to continue using the Gmail web interface as a single hub will need to switch to paid Google Workspace plans or use the web panels of their direct email providers.
Updates
Google's official support page specifies that the changes will take effect starting in January 2027, at which point users will no longer be able to add new third-party accounts or synchronize existing ones via the web interface. Although users can still view third-party inboxes on Android and iOS mobile applications, the ability to send emails using those addresses through the Gmail app will also be removed.
Starting in January 2027, users will be unable to add new third-party email accounts to the Gmail web interface or synchronize existing ones. While third-party inboxes will remain viewable on Android and iOS mobile applications, sending emails through these addresses via the Gmail app will no longer be possible.
Starting in January 2027, users will be unable to add new third-party email accounts or synchronize existing ones through the Gmail web interface. While mobile applications will still allow users to view inboxes for Yahoo, Outlook, or personal domains, they will no longer be able to send emails using those third-party addresses via the Gmail app.
Starting January 2027, users will specifically be unable to send emails through Gmail using Yahoo, Outlook, or personal domains, nor will they be able to add or synchronize new third-party accounts via the web interface. While Gmail mobile applications will still allow viewing inboxes, the ability to send emails using these third-party addresses will be disabled on mobile as well. This separation of services is expected to begin progressively starting in the third quarter of 2026.
