Courier
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Courier is an integrated mail server, based on open protocols as ESMTP, IMAP, POP3, LDAP, SSL and HTTP.
Courier has ESMTP, IMAP, POP3, webmail and mailing list.
It provides scheduling and calendering services on the web and allows mail management through virtual accounts, managed on a database based on LDAP, MySQL or PostgreSQL.
Features:
The main advantage of a maildirs structure is that multiple applications can be entered from the same directory simultaneously, without closing the others.
This is the fastest and more efficient way to file mails.
Courier-POP is the previous protocol which allows to download mail from the server.
It provides scheduling and calendering services on the web and allows mail management through virtual accounts, managed on a database based on LDAP, MySQL or PostgreSQL.
Features:
- its configuration is based on text file and Perl script. Thanks to the recent developments, it can be configurated even on a web browser, using the web-based administrative module;
- it allows SMTP extensions use (Simple Mail Transfer Protocol) for the mailing list and antispam filters management. It can work as a mediator in sending mails, checking the message track between internal LAN and Internet or informing the user about the deliver;
- it provides mail management services for the system accounts;
- it is a modular application. It is made of small parts which can be used separately no matter the server you use.
The main advantage of a maildirs structure is that multiple applications can be entered from the same directory simultaneously, without closing the others.
This is the fastest and more efficient way to file mails.
Courier-POP is the previous protocol which allows to download mail from the server.
