doc/html/man8/smtpp.8.html
NAME
SYNOPSIS
DESCRIPTION
OPTIONS
CLIENTS
BUGS
SEE ALSO
AUTHORS
smtpp - SMTP proxy gateway service
smtpp [-d] [-l [[@]logfile]] [-p port] [-i internal_ip] [-e external_ip] [-h default_ip[:port]]
smtpp is SMTP gateway service to allow internal users to access external SMTP servers.
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-I
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Inetd mode. Standalone service only.
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-d
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Daemonize. Detach service from console and run in the background.
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-t
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Be silenT. Do not log start/stop/accept error records.
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-u
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Never look for username authentication.
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-e
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External address. IP address of the interface the proxy should initiate connections from. By default, the system will decide which address to use in accordance with the routing table.
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-i
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Internal address. IP address the proxy accepts connections to. By default, connections to any interface are accepted. It´s usually unsafe.
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-p
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Port. Port proxy listens for incoming connections. Default is 25.
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-h
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Default destination. It’s used if the target address is not specified by the user.
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-l
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Log. By default logging is to stdout. If logfile is specified logging is to file. Under Unix, if ´@´ precedes logfile, syslog is used for logging.
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-S
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Increase or decrease stack size. You may want to try something like -S8192 if you experience 3proxy crashes.
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You can use any MUA (Mail User Agent) with SMTP authentication support. Set the client to use internal_ip and port as an SMTP server. The address of the real SMTP server must be configured as a part of the SMTP username. The format for the username is username @ server, where server is the address of the SMTP server and username is the user´s login on this SMTP server. The login itself may contain an ´@´ sign. Only cleartext authentication is supported, because challenge-response authentication (CRAM-MD5, SPA, etc.) requires a challenge from the server before we know which server to connect to.
Report all bugs to [email protected]
3proxy(8), ftppr(8), proxy(8), socks(8), tcppm(8), udppm(8), syslogd(8),
https://3proxy.org/
3proxy is designed by Vladimir 3APA3A Dubrovin ([email protected])