Postmark offers Free Trial, but SMTP does not.
Postmark is designed for Individuals, Freelancers, Medium Business and Small Business.
SMTP is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both Postmark and SMTP are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Postmark includes SMTP, Campaigner and Moosend.
Some top alternatives to SMTP includes Campaigner and Moosend.