Mail merge is painful and takes a long time. Sending emails using PostmanSG is not. Learn how to quickly send mass emails using PostmanSG.

The basics

  • Send rate: 150 emails per second
  • Shared resource: The email service is shared by WoG
  • Record thus far: 20k emails in one batch for production use case
  • Max number of recipient: No limit
  • Daily cap: 4.5 million emails per day

No prerequisite

PostmanSG will handle the email sending for you. You do not need to do anything to start using our service. Simply log in and start using PostmanSG. Go back to Quick Start to learn how to use PostmanSG.


Free. For more details and comparison among the three channels (email, SMS, Telegram), go to Cost Breakdown.

What is the email address in the from field if I were to send my messages out via PostmanSG?

You can customise the sender field when creating your campaign in step 1. The email will be received by recipients as “Agency Name via PostmanSG”, with the default sender email address for all PostmanSG campaigns being [email protected]
Click to enlarge photo.

How can I format my email?

Go to Power User.
You can watch the video on PostmanSG's workplace group to go through the set-up.