Thejesh GN Blog

Linked List: Fake or Mock SMTP Servers for Email Testing

To test SMTP integration, you can either send emails using the production SMTP or you can run a test SMTP server just for testing. But its not easy for every developer in your team to do that or make it part of your CI/CD. This is where Fake or Mock SMTP servers play a role. They can run on a developers machine and expose an SMTP endpoint to connect and send test emails. They usually have web access to view the test emails to check formatting etc, manually. Some of them also expose a web API to retrieve the content for CI/CD integration. Here are some of my favorite mock SMTP servers.

ಕರುಣಾಳು ಬಾ ಬೆಳಕೆ

I got a Christmas gift from a friend. I loved it. They wanted me to sing a Christmas song. That’s something I can’t do. Instead, I chose to recite the poem ಕರುಣಾಳು ಬಾ ಬೆಳಕೆ by BM Shree. Originally called “Lead, Kindly Light” titled “the Pillar of the Cloud” was written by John Henry Newman, an English priest. He wrote it during his difficult times.