Postmark
7.6#2 in email deliverability softwareFree planFree planWebAPI
VisitPostmark vs SocketLabs
SocketLabs
7.3#18 in transactional email servicesFrom $39.95 a monthWebAPISelf-hosted
VisitWhat both publish
| Fact | Postmark | SocketLabs |
|---|---|---|
| Company history | Postmark says it has delivered billions of emails since 2010. | SocketLabs says it was founded in 2007. |
| Dedicated IP option | Yes | Yes |
| Founded | 2010 | 2007 |
| Free plan | Yes | No |
| Integrations | Official integrations include Slack, Zapier, Stripe, WordPress, Supabase, Bubble, Craft CMS, Netlify, and Gravity Forms. | Spotlight connects to SendGrid, Mailgun, and SparkPost (Bird); Amazon SES is listed as a planned provider. |
| Monthly send limit | 10000 | 40000 |
| Paid from | 15 | 39.95 |
| Security | Postmark supports TLS and HTTPS, DKIM, SPF, DMARC, two-factor authentication, API permission controls, penetration testing, and DDoS protection. | SocketLabs says it undergoes an annual audit to maintain SOC 2 Type 2 certification and states that it is GDPR and CCPA compliant. |
| Support | Postmark offers support by email, live chat, and one-on-one calls and reports a 95% customer happiness rating. | The Core plan includes ticket and chat support, while Pro lists priority support channels and Enterprise lists dedicated customer support. |
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
SocketLabs plans
- Core$39.95 a month
- Pro 100k$89.95 a month
- EnterprisePriced on request
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 SocketLabs if…
You want what its maker publishes above — check its page for the details.