Sender Domain

Sender domain is the address which recipients see in the ‘from’ field when they open your emails. For example: when you receive the activation mail of Netcore Email API, the from address is ‘’ wherein “” is the sender domain.

To start sending emails to your customers, you can either use your top-level domain (e.g. or a sub-domain like

Set up sending domains     

To start sending emails, you need to add and verify your sending domains. The verification is done to ensure your sending domain’s security.