## Deprecation of the ability to delegate e-mail verification to identity servers
Synapse v1.66.0 will remove the ability to delegate the tasks of verifying email address ownership, and password reset confirmation, to an identity server.
If you require your homeserver to verify e-mail addresses or to support password resets via e-mail, please configure your homeserver with SMTP access so that it can send e-mails on its own behalf.
[Consult the configuration documentation for more information.](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#email)
The option that will be removed is `account_threepid_delegates.email`.
## Changes to the event replication streams
Synapse now includes a flag indicating if an event is an outlier when
