MailStore Server
6.6#4 in email archiving software$259 one-timeWebAPISelf-hostedWindows
VisitMailStore Server vs Open Archiver Enterprise
Open Archiver Enterprise
7.7#2 in email archiving software€14 one-timeFree planWebAPILinuxSelf-hosted
VisitWhat both publish
| Fact | MailStore Server | Open Archiver Enterprise |
|---|---|---|
| Compliance | The product includes retention policies, legal hold, logging, auditor access, journaling, and eDiscovery support. | Enterprise includes retention policies, legal holds, a hash-chained audit log and integrity reports for GoBD and GDPR-related workflows. |
| Purpose | MailStore Server creates copies of company emails in a central archive for long-term availability and access. | Keeps a searchable, tamper-proof record of company email on infrastructure the organization controls. |
MailStore Server plans
- MailStore Server Starter Kit (up to 5 users)$259, paid once
Open Archiver Enterprise plans
- Self-hostedFree
- Enterprise Edition€14, paid once
Pick MailStore Server if…
MailStore Server suits small and medium-sized businesses that need an on-premises email archive with retention, search, and export tools. Its listed Starter Kit covers up to five users.
Pick Open Archiver Enterprise if…
It suits organizations that want email archives on infrastructure they control and need retention, legal hold, or search tools. Its self-hosted deployment may appeal to teams managing their own server environment.