GitHub - mocktools/go-smtp-mock: SMTP mock server written on Golang. Mimic any 📤 SMTP server behaviour for your test environment with fake SMTP server .
GitHub - gessnerfl/fake-smtp-server: A simple SMTP Server for Testing purposes. Emails are stored in an in-memory database and rendered in a Web UI
![A Mock SMTP Server for remote mail delivery testing | by Rene Cordier | Linagora Engineering | Medium A Mock SMTP Server for remote mail delivery testing | by Rene Cordier | Linagora Engineering | Medium](https://miro.medium.com/max/1200/1*c0Kpbz6bwadk4ryJrbQiSQ.jpeg)
A Mock SMTP Server for remote mail delivery testing | by Rene Cordier | Linagora Engineering | Medium
![Testing Emails in Automated Test Scripts with a Fake SMTP server: MailCatcher | by Zhimin Zhan | Medium Testing Emails in Automated Test Scripts with a Fake SMTP server: MailCatcher | by Zhimin Zhan | Medium](https://miro.medium.com/max/1200/1*WxXPKgg8nkVoc7Mh56JdBw.png)