<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=15125) </details> <!--IssueSummary end--> Twitter: https://twitter.com/kaystrobach/status/712987662618124288 To enable easier and quick troubleshooting of email by GitLab sys admins, we can have a rake task that allows one to send a test email regardless of whether the setup is configured to use postfix, SMTP etc. We already have an `incoming_email` task btw cc/ @DouweM @balameb