## Pleroma.Mailer
* `adapter`: one of the mail adapters listed in [Swoosh readme](https://github.com/swoosh/swoosh#adapters), or `Swoosh.Adapters.Local` for in-memory mailbox.
--* `api_key` / `password` and / or other adapter-specific settings, per the above documentation.
++* `api_key` / `password` and / or other adapter-specific settings, per the above documentation.
An example for Sendgrid adapter:
* `always_show_subject_input`: When set to false, auto-hide the subject field when it's empty.
* `extended_nickname_format`: Set to `true` to use extended local nicknames format (allows underscores/dashes). This will break federation with
older software for theses nicknames.
+* `max_pinned_statuses`: The maximum number of pinned statuses. `0` will disable the feature.
+ * `autofollowed_nicknames`: Set to nicknames of (local) users that every new user should automatically follow.
## :logger
* `backends`: `:console` is used to send logs to stdout, `{ExSyslogger, :ex_syslogger}` to log to syslog