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The comparison of mail servers covers mail transfer agents (MTAs), mail delivery agents, and other computer software that provide e-mail services. Unix -based mail servers are built using a number of components because a Unix-style environment is, by default, a toolbox [1] operating system. A stock Unix-like server already has internal mail ...
Founded in 2005 by Rafael Laguna and Frank Hoberg, the software was released in December of the same year, and started as a Linux -based email and groupware program that was positioned as open-source alternative to Microsoft Exchange. [2] Andreas Gauger took over as CEO of Open-Xchange AG in May 2020.
Windows, macOS, Linux GPL-3.0-only: GUI HCL Notes (formerly IBM Notes and IBM Lotus Notes) HCL Technologies (formerly IBM and Lotus Software), HCL Technologies: Windows, macOS, Linux Proprietary: GUI (Notes), Web (Verse, iNotes) and Mobile (Traveler) IMP: Horde LLC Cross-platform GPL-2.0-only: Webmail: K-9 Mail: K-9 Dog Walkers: cketti, et al ...
Zarafa provides its groupware functionality by connecting the Linux-based server with Outlook clients using MAPI. The communication between server and client is based upon SOAP technology. The connection to Outlook clients can be secured using TLS/SSL, either directly between the Zarafa server program and the client, or via an HTTPS proxy.
Postfix (software) Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail . It is released under the IBM Public License 1.0 which is a free software license. Alternatively, starting with version 3.2.5, it is available under the Eclipse Public License 2.0 at the user's option. [2]
Comparison of operating systems. Comparison of Linux distributions. Comparison of BSD operating systems. Comparison of kernels. Comparison of file systems. Comparison of platform virtualization software. Comparison of DOS operating systems. List of operating systems. Live CD.
IPX is a network-layer protocol (layer 3 of the OSI model ), while SPX is a transport-layer protocol (layer 4 of the OSI model). The SPX layer sits on top of the IPX layer and provides connection-oriented services between two nodes on the network. SPX is used primarily by client–server applications. IPX and SPX both provide connection ...
Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet . A descendant of the delivermail program written by Eric Allman, Sendmail is a well-known project of the free and open ...