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CommuniGate Pro vs Courier Mail Server

CommuniGate Pro

communigate.com

Courier Mail Server

courier-mta.org

Side by side

FigureCommuniGate ProCourier Mail Server
Price from—Free
Free plan—Yes
Free trial——
Open source——
WebYes—
WindowsYes—
LinuxYesYes
APIYes—
Self-hostedYesYes
Plans published11
Spec score · Mail Server Software7.8 (#19)8.5 (#1)
DeploymentThe company says it provides the platform as a managed service on a customer's private cloud or through Pronto! Cloud under Luxembourg jurisdiction.It can act as an intermediate mail relay, receive mail for multiple domains, or do both.
ProductCommuniGate Pro is a unified communications server for email, calendaring, VoIP, video, instant messaging, and whiteboards.Courier is an integrated mail and groupware server providing ESMTP, IMAP, POP3, webmail, and mailing list services.
SecurityListed security capabilities include SASL, GSSAPI with Kerberos V5, client certificates, S/MIME, automatic encryption, and SSL/TLS secure transfer.Courier supports STARTTLS and SSL for ESMTP, IMAP, POP3, and webmail; its ESMTP client can require a certificate signed by a trusted root CA.
SupportMailSPEC is the authorized distributor that services and supports the software; customers can open support tickets, and existing license holders can register for download access.The site lists an unmoderated courier-users mailing list for questions, bug reports, and comments, plus a separate read-only announcement list.

Plans

CommuniGate Pro

  • CommuniGate Pro licensePriced on request

CommuniGate Pro pricing →

Courier Mail Server

  • Courier Mail ServerFree

Courier Mail Server pricing →

In their own words

CommuniGate Pro

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

Visit communigate.com

Courier Mail Server

Courier Mail Server has no write-up on Specifiction yet; its figures are above.

Visit courier-mta.org