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SPECIFICTION
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Apache James vs Mailu

Apache James

james.apache.org

Mailu

mailu.io

Side by side

FigureApache JamesMailu
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
Web—Yes
WindowsYes—
LinuxYesYes
APIYesYes
Self-hostedYesYes
Plans published11
Spec score · Mail Server Software8.1 (#8)7.9 (#18)
AdministrationAdministration options include JMX, REST, and command line.Admin features include global administrators, announcements, per-domain delegation, and quotas.
ProductApache James is a modular mail server running on the JVM.Mailu is a free software mail server distributed as a set of Docker images.
SecurityThe download page instructs users to verify downloaded files using signatures and provides SHA-512 and PGP links for server binaries.Listed security features include enforced TLS, DANE, MTA-STS, Let's Encrypt, outgoing DKIM, antivirus scanning, and blocking malicious attachments.
SupportThe project lists companies offering professional support, including consultancy, feature development, and project integration.The project directs simple questions to its Matrix room, complex questions to GitHub discussions, and bug reports to GitHub issues; it describes itself as mostly developed in contributors' free time.

Plans

Apache James

  • Apache JamesFree

Apache James pricing →

Mailu

  • MailuFree

Mailu pricing →

In their own words

Apache James

Apache James has no write-up on Specifiction yet; its figures are above.

Visit james.apache.org

Mailu

Mailu has no write-up on Specifiction yet; its figures are above.

Visit mailu.io