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85 lines
2.3 KiB
Groff
85 lines
2.3 KiB
Groff
.TH smtpp "8" "January 2019" "3proxy 0.9" "Universal proxy server"
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.SH NAME
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.B smtpp
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\- SMTP proxy gateway service
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.SH SYNOPSIS
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.BR "smtpp " [ -d ]
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.IB \fR[ -l \fR[ \fR[ @ \fR] logfile \fR]]
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.IB \fR[ -p port\fR]
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.IB \fR[ -i internal_ip\fR]
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.IB \fR[ -e external_ip\fR]
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.IB \fR[ -h default_ip[:port]\fR]
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.SH DESCRIPTION
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.B smtpp
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is SMTP gateway service to allow internal users to access external SMTP
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servers.
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.SH OPTIONS
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.TP
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.B -I
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Inetd mode. Standalone service only.
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.TP
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.B -d
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Daemonize. Detach service from console and run in the background.
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.TP
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.B -t
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Be silenT. Do not log start/stop/accept error records.
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.TP
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.B -u
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Never look for username authentication.
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.TP
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.B -e
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External address. IP address of the interface the proxy should initiate connections
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from.
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By default, the system will decide which address to use in accordance
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with the routing table.
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.TP
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.B -i
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Internal address. IP address the proxy accepts connections to.
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By default, connections to any interface are accepted. It\'s usually unsafe.
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.TP
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.B -p
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Port. Port proxy listens for incoming connections. Default is 25.
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.TP
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.B -h
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Default destination. It's used if the target address is not specified by the user.
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.TP
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.B -l
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Log. By default logging is to stdout. If
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.I logfile
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is specified logging is to file. Under Unix, if
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.RI \' @ \'
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precedes
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.IR logfile ,
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syslog is used for logging.
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.TP
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.B -S
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Increase or decrease stack size. You may want to try something like -S8192 if you experience 3proxy
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crashes.
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.SH CLIENTS
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You can use any MUA (Mail User Agent) with SMTP authentication support.
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Set the client to use
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.I internal_ip
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and
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.IR port
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as an SMTP server. The address of the real SMTP server must be configured as a part of
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the SMTP username. The format for the username is
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.IR username \fB@ server ,
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where
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.I server
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is the address of the SMTP server and
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.I username
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is the user\'s login on this SMTP server. The login itself may contain an \'@\' sign.
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Only cleartext authentication is supported, because challenge-response
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authentication (CRAM-MD5, SPA, etc.) requires a challenge from the server before
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we know which server to connect to.
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.SH BUGS
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Report all bugs to
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.BR 3proxy@3proxy.org
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.SH SEE ALSO
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3proxy(8), ftppr(8), proxy(8), socks(8), tcppm(8), udppm(8), syslogd(8),
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.br
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https://3proxy.org/
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.SH AUTHORS
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3proxy is designed by Vladimir 3APA3A Dubrovin
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.RI ( 3proxy@3proxy.org )
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