Postmark
7.6#2 in email deliverability softwareFree planFree planWebAPI
VisitPostmark vs Warmy
What both publish
| Fact | Postmark | Warmy |
|---|---|---|
| Integrations | Official integrations include Slack, Zapier, Stripe, WordPress, Supabase, Bubble, Craft CMS, Netlify, and Gravity Forms. | Warmy’s integration directory lists 100+ supported platforms, including ActiveCampaign, Amazon SES, HubSpot, Klaviyo and Mailchimp. |
| Security | Postmark supports TLS and HTTPS, DKIM, SPF, DMARC, two-factor authentication, API permission controls, penetration testing, and DDoS protection. | Warmy lists AES-256 encryption at rest, TLS 1.2+ in transit, and OAuth 2.0 with no passwords stored. |
| Support | Postmark offers support by email, live chat, and one-on-one calls and reports a 95% customer happiness rating. | Pricing describes 24/7 human support and a dedicated deliverability expert. |
Postmark plans
- FreeFree
- Basic$15 a month
- Pro$16.50 a month
- Platform$18 a month
- Custom activity retention$5 a month
- DMARC monitoring$14 a month
Warmy plans
- B2B sender$49 a month
- B2C sender$49 a month
- Custom Solution$49 a month
Pick Postmark if…
Postmark suits developers who need to send application email through an API or SMTP and track delivery events. Its inbound processing and message streams also suit services handling both incoming and different types of outgoing email.
Pick Warmy if…
Warmy suits outreach teams and businesses managing email deliverability across domains, IPs, and multiple sending platforms. Its API and integration directory also fit teams connecting warm-up to existing workflows.