Postmark offers Free Trial, but Amazon SES does not.
Postmark is designed for Individuals, Freelancers, Medium Business and Small Business.
Amazon SES is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Postmark and Amazon SES 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 Amazon SES includes SMTP, Campaigner and Moosend.