It is important to mention your email server should be setup and meant to do bulk email. We only recommend setting up a custom SMTP server if you have reviewed your SMTP's throttling policy and threshold on your email provider.
This is done by going to Settings > Integrations, clicking on Install in the Custom Email card
Fill in the applicable fields with your mail server information:
Click on the Install button in the lower righthand corner to complete the integration.
Updated about 1 year ago