InboxSys
6.2#22 in email deliverability softwareFrom €795 a yearWebAPI
VisitInboxSys vs Postmark
What both publish
| Fact | InboxSys | Postmark |
|---|---|---|
| Support | InboxSys says customers can contact support to test delivery to an ISP not already on their seedlist. | Postmark offers support by email, live chat, and one-on-one calls and reports a 95% customer happiness rating. |
InboxSys plans
- Sender€795 a year
- DMARC monitor€1,500 a year
- Agency€3,495 a year
- Whitelabel€5,000 a year
- ESP€6,795 a year
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
Pick InboxSys if…
InboxSys suits email teams, agencies, ESPs, and large-volume senders monitoring placement, authentication, reputation, or multiple mailstreams. API access supports software integrations on the ESP plan.
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.