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* [docs] Update smtp docs to mention starttls + port 587 * remove misleading ssl bit * further tweaks
95 lines
4.5 KiB
Markdown
95 lines
4.5 KiB
Markdown
# Email Config (smtp)
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GoToSocial supports sending emails to users via the [Simple Mail Transfer Protocol](https://wikipedia.org/wiki/Simple_Mail_Transfer_Protocol) or **smtp**.
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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.
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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](https://mailgun.com). 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.
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To validate your configuration, you can use the "Administration -> Actions -> Email" section of the settings panel to send a test email.
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!!! warning
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Pending an smtp library update, currently only email providers that work with STARTTLS will work with GoToSocial. STARTTLS is generally available over **port 587**.
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For more info, see:
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- [STARTTLS vs SSL vs TLS](https://mailtrap.io/blog/starttls-ssl-tls/)
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- [Understanding Ports](https://www.mailgun.com/blog/email/which-smtp-port-understanding-ports-25-465-587/)
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- [Port 587](https://www.mailgun.com/blog/deliverability/smtp-port-587/)
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!!! info
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For safety reasons, the smtp library used by GoToSocial will refuse to send authentication credentials over an unencrypted connection, unless the mail provider is running on localhost.
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## Settings
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The configuration options for smtp are as follows:
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```yaml
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#######################
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##### SMTP CONFIG #####
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#######################
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# Config for sending emails via an smtp server. See https://en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol
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# String. The hostname of the smtp server you want to use.
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# If this is not set, smtp will not be used to send emails, and you can ignore the other settings.
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# Examples: ["mail.example.org", "localhost"]
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# Default: ""
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smtp-host: ""
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# Int. Port to use to connect to the smtp server.
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# In the majority of cases, you should use port 587.
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# Examples: []
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# Default: 0
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smtp-port: 0
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# String. Username to use when authenticating with the smtp server.
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# This should have been provided to you by your smtp host.
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# This is often, but not always, an email address.
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# Examples: ["maillord@example.org"]
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# Default: ""
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smtp-username: ""
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# String. Password to use when authenticating with the smtp server.
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# This should have been provided to you by your smtp host.
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# Examples: ["1234", "password"]
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# Default: ""
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smtp-password: ""
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# String. 'From' address for sent emails.
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# Examples: ["mail@example.org"]
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# Default: ""
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smtp-from: ""
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# Bool. If true, when an email is sent that has multiple recipients, each recipient
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# will be included in the To field, so that each recipient can see who else got the
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# email, and they can 'reply all' to the other recipients if they want to.
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#
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# If false, email will be sent to Undisclosed Recipients, and each recipient will not
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# be able to see who else received the email.
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#
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# It might be useful to change this setting to 'true' if you want to be able to discuss
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# new moderation reports with other admins by 'replying-all' to the notification email.
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# Default: false
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smtp-disclose-recipients: false
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```
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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.
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## When are emails sent?
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Currently, emails are sent:
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- To the provided email address of a new user to request email confirmation when a new account is created via the sign up page or API.
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- To instance admins when a new account is created in this way.
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- To all active instance moderators + admins when a new moderation report is received. By default, recipients are Bcc'd, but you can change this behavior with the setting `smtp-disclose-recipients`.
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- To the creator of a report (on this instance) when the report is closed by a moderator.
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## HTML versus Plaintext
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Emails are sent in plaintext by default. At this point, there is no option to send emails in html, but this is something that might be added later if there's enough demand for it.
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## Customization
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If you like, you can customize the templates that are used for generating emails. Follow the examples in `web/templates`.
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