Email Config (smtp)

GoToSocial supports sending emails to users via the Simple Mail Transfer Protocol or smtp.

Configuring GoToSocial to send emails is not required in order to have a properly running instance. Still, it's very useful for doing things like sending confirmation emails and notifications, and handling password reset requests.

In order to make GoToSocial email sending work, you need an smtp-compatible mail service running somewhere, either as a server on the same machine that GoToSocial is running on, or via an external service like Mailgun. It may also be possible to use a free personal email address for sending emails, if your email provider supports smtp (check with them--most do), but you might run into trouble sending lots of emails.

Settings

The configuration options for smtp are as follows:

#######################
##### SMTP CONFIG #####
#######################

# Config for sending emails via an smtp server. See https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol
smtp:

  # String. The hostname of the smtp server you want to use.
  # If this is not set, smtp will not be used to send emails, and you can ignore the other settings.
  # Examples: ["mail.example.org", "localhost"]
  # Default: ""
  host: ""
  # Int. Port to use to connect to the smtp server.
  # Examples: []
  # Default: 0
  port: 0
  # String. Username to use when authenticating with the smtp server.
  # This should have been provided to you by your smtp host.
  # This is often, but not always, an email address.
  # Examples: ["maillord@example.org"]
  # Default: ""
  username:
  # String. Password to use when authenticating with the smtp server.
  # This should have been provided to you by your smtp host.
  # Examples: ["1234", "password"]
  # Default: ""
  password:
  # String. 'From' address for sent emails.
  # Examples: ["mail@example.org"]
  # Default: ""
  from: ""

Note that if you don't set Host, then email sending via smtp will be disabled, and the other settings will be ignored. GoToSocial will still log (at trace level) emails that would have been sent if smtp was enabled.

Behavior

SSL

GoToSocial requires your smtp server to present valid SSL certificates. Most of the big services like Mailgun do this anyway, but if you're running your own mail server without SSL for some reason, and you're trying to connect GoToSocial to it, it will not work.

The exception to this requirement is if you're running your mail server (or bridge to a mail server) on localhost, in which case SSL certs are not required.

When are emails sent?

Currently, emails are only sent to users to request email confirmation when a new account is created, or to serve password reset requests. More email functionality will probably be added later.

HTML versus Plaintext

Emails are sent in HTML by default. At this point, there is no option to send emails in plaintext, but this is something that might be added later if there's enough demand for it.

Customization

If you like, you can customize the templates that are used for generating emails. Follow the examples in web/templates.

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