Postmark

#email #transactional #delivery #smtp

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Free tier

Bandwidth

n/a

Builds

n/a

Requests

100 emails/month free forever (after 30-day trial)

Custom domains

n/a

Note

High-deliverability transactional email — 100 emails/month free forever after a 30-day trial, with separate transactional + broadcast streams and SMTP relay + API.

Pricing

Paid plans start at $15/mo.

Editorial score

★ 4/100 free-tier generosity.

Last verified 2025-09-01.