Amazon SES vs Postmark pricing

Verified 2026-10-23 (2 days ago)Source: Amazon SES: aws.amazon.com/ses/pricing/, Postmark: postmarkapp.com/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Amazon SES and Postmark at three volumes and at your own
Volume	Amazon SES	Postmark
small5K emails sent	$0.50 / moÀ la carte	$15 / moBasic
growing50K emails sent	$5 / moÀ la carte	$66 / moPlatform
scale500K emails sent	$50 / moÀ la carte	$606 / moPlatform
your volumeset above	$5 / moÀ la carte	$66 / moPlatform

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Amazon SES and Postmark aligned by position: free, entry, mid, top
Position	Amazon SES	Postmark
Free	$0 / moEssentials	$0 / moFree · 100 emails sent / mo
Entry	$105 / moPro	$15 / moBasic · 10,000 emails sent / mo
Mid	$500 / moEnterprise	$16.50 / moPro · 10,000 emails sent / mo
Top	$0 base + usageÀ la carte	$18 / moPlatform · 10,000 emails sent / mo

Tightest rate limit

Tightest documented rate limit of each service
Measure	Amazon SES	Postmark
Tightest limit	unlisted	unlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.