NAME¶

XMail - Internet Mail Server

SYNOPSIS¶

XMail [options]

DESCRIPTION¶

XMail is an Internet and intranet mail server featuring an SMTP server, POP3 server, finger server, multiple domains, no need for users to have a real system account, SMTP relay checking, RBL/RSS/ORBS/DUL and custom ( IP based and address based ) spam protection, SMTP authentication ( PLAIN LOGIN CRAM-MD5 POP3-before-SMTP and custom ), a POP3 account syncronizer with external POP3 accounts, account aliases, domain aliases, custom mail processing, direct mail files delivery, custom mail filters, mailing lists, remote administration, custom mail exchangers, logging, and multi-platform code. XMail sources compile under GNU/Linux, FreeBSD, Solaris and NT/2K.

OPTIONS¶

Most of XMail configuration settings are command line tunables. Switches recognized by server:

XMail core¶

-Ms pathname

Mail root path.

-Md

Activate debug (verbose) mode.

-Mr hours

Activate log rotation.

-Mx split-level

Set the queue split level. The value You set here is rounded to the lower prime number higher or equal than the value You've set.

-MR bytes

Set socket receive buffer size.

-MS bytes

Set socket send buffer size.

POP3 Server¶

-Pp port

Set POP3 server port.

-Pt timeout

Set POP3 session timeout (seconds) after which the server will close the connection if not receive any commands.

-Pl

Enable POP3 logging.

-Pw timeout

Set the delay timeout in response to a bad POP3 login. Such time will be doubled at the next bad login.

-Ph

Hang the connection in bad login response.

-PI ip[:port]

Bind server to the specified ip address and optional port ( can be multiple ).

-PX nthreads

Set the maximum number of threads for POP3 server.

SMTP Server¶

-Sp port

Set SMTP server port.

-St timeout

Set SMTP session timeout in seconds after which the server will close the connection if not receive any commands.

-Sl timeout

Enable SMTP logging.

-SI ip[:port]

Bind server to the specified ip address and optional port ( can be multiple ).

-SX nthreads

Set the maximum number of threads for SMTP server.

-Sr maxrcpts

Set the maximu number of recipients for a single SMTP message ( default 100 ).

-Se nsecs

Set the expire timeout for a POP3 authentication IP ( default 900 ).

SMTP Queue Processing¶

-Qn nthreads

Set the number of mailer threads.

-Qt timeout

Set the timeout to be waited for a next try after send failure. Default 480.

-Qi ratio

Set the increment ratio of the reschedule time in sending a messages. At every failure in delivery a message, reschedule time T is incremented by ( T / ratio ), therefore T(i) = T(i-1) + T(i-1)/ratio. If You set this ratio to zero, T remain unchanged over delivery tentatives. Default 16.

-Qr nretries

Set the maximum number of times to try to send the message. Default 32.

-Ql

Enable SMAIL logging.

POP3 Account synchronization¶

-Yi interval

Set external POP3 accounts sync interval. Default 120.

-Yt nthreads

Set the number of POP3 sync threads.

Finger server¶

-Fp port

Set FINGER server port.

-Fl

Enable FINGER logging.

-FI ip[:port]

Bind server to the specified ip address and optional port ( can be multiple ).

Remote administration server¶

-Cp port

Set CTRL server port.

-Ct timeout

Set CTRL session timeout after which the server will close the connection if not receive any commands.

-Cl

Enable CTRL logging.

-CI ip[:port]

Bind server to the specified ip address and optional port ( can be multiple ).

-CX nthreads

Set the maximum number of threads for CTRL server.

Local mail processing¶

-Ln nthreads

Set the number of local mailer threads.

-Lt timeout

Set the sleep timeout for LMAIL threads. Default 2 sec.

-Ll

Enable local mail logging.

ENVIRONMENT¶

MAIL_ROOT

XMail root directory.

MAIL_CMD_LINE

Command line arguments.

NOTES¶

If XMail catches signal SIGINT, it performs a clean shutdown. Shutdown operation may take some time.

SEE ALSO¶

sendmail(1).

AUTHOR¶

XMail program was written by Davide Libenzi <davidel@xmailserver.org>. This manual page was written by Radim Kolar <hsn@cybermail.net>, for the Debian GNU/Linux system (but may be used by others).