How to setup SMTP for email via Postmark
Postmark is one of the leading email service providers. Please use the following SMTP configurations.
SMTP Server/Host: smtp.postmarkapp.com
SMTP Port: 587
SMTP User Name: YOUR_POSTMARK_SEVER_API_TOKEN
SMTP Password: YOUR_POSTMARK_SEVER_API_TOKEN
Please refer to this article in order to know how to obtain your postmark server api token.
For more information on using SMTP with Postmark, refer to this official guide.