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Setting "mail_smarthost" and "mail_from" in the configuration activates features that are explained below. These features are otherwise not available, since there are no general defaults.
See also HelpOnConfiguration.
MoinMoin currently offers two email-based services, which are explained in the following sections.
If emailing is available, the UserPreferences dialog is expanded with a field "Your email address" and a button " Mail me my account data ". The user can enter the email address he provided at registration and then gets an email containing all necessary data to re-login, after clicking the button.
Any user can subscribe to changes of wiki pages by either clicking on the envelope icon , or by adding a regex to the "Subscribed wiki pages" field of his UserPreferences. The system then sends, whenever a page is changed and the author doesn't uncheck the "Send mail notification" checkbox, an email with the author, a link to the page, and the diff of the change.