← All comparisons Transactional Email

SendGrid vs Postmark

Volume-focused vs deliverability-focused.

SendGrid handles very high volumes. Postmark has a reputation for stronger transactional deliverability.

At a glance

SendGridPostmark
DeliverabilityGoodBest in class
PricingCheaper at volumePremium
Marketing featuresSomeNone (pure transactional)

When to pick SendGrid

High-volume, cost-sensitive, mixed use.

When to pick Postmark

Transactional only, deliverability is the priority.

My verdict

Postmark for pure transactional. SendGrid for volume + marketing mix.

Further reading