The arguments of the last HELO or EHLO command before this mailĭelivery transaction. The client protocol: SMTP, ESMTP or LMTP.
The format of the smtp-sink generated headers is as follows: O The message header and body as received from the SMTP client. O The smtp-sink generated headers as documented below. O The optional string specified with the -S option. The sequence of information is as follows: The maximum length of the queue of pending connections, asĮach dumped message contains a sequence of text lines, terminated with
Listen on the UNIX-domain socket at pathname. Both host and port may be specified in numeric or
Listen on network interface host (default: any interface) TCP Number of times the program needs to roll a dice with a range ofĠ.99 inclusive, before the dice produces a result greater than If odds isĪlso specified (a number between 1-99 inclusive), wait for a Wait delay seconds before responding to command. Wait delay seconds before responding to a DATA command. This option is required when the process runs with super-user Work socket and optionally changing the process root directory. Switch to the specified user privileges after opening the net. Window scaling implementations, specify a value > 0 and < 65536. Limit the time for receiving a command or sending a response. To three octal digits) and \\ (the backslash character). Riage return), \t (horizontal tab), \v (vertical tab), \ ddd (up (bell), \b (backspace), \f (formfeed), \n (newline), \r (car. The following C escape sequences are supported: \a Written to a dump file (see the dump file format descriptionīelow). See also the -uĪn optional string that is prepended to each message that is This option requires super-user privileges. Reject the specified commands with a soft (4xx) error code.Ĭhange the process root directory to the specified location. Send a 421 reply and disconnect after receiving one of the spec. P Change the server greeting so that it appears to come through aĭisconnect (without replying) after receiving one of the speci. p Do not announce support for ESMTP command pipelining. Terminate after receiving count messages. Combine with a large test message and a small TCP win-ĭow size (see the -T option) to test the Postfix clientĪn upper bound on the maximal number of simultaneous connections The default hostname is "smtp-sink".ĭelay the first read operation after receiving DATA (time in Use hostname in the SMTP greeting, in the HELO response, and in White space or commas, and use quotes to protect white spaceįrom the shell. Reject the specified commands with a hard (5xx) error code.Įxamples of commands are CONNECT, HELO, EHLO, LHLO, MAIL, RCPT, E Do not announce ENHANCEDSTATUSCODES support. The template contains "/" characters, missing directories areĬreated automatically. Is created by expanding the dump-template via strftime(3). Note: this option keeps one capture file open for every mailĪppend mail transactions to a multi-message dump file whose name The message dump format is described below. Template contains "/" characters, missing directories are cre-Īted automatically. Is created by expanding the dump-template via strftime(3) andĪppending a pseudo-random hexadecimal number (example: Sion ends, a QUIT command is executed, or when "." is received.ĭump each mail transaction to a single-message file whose name c Display running counters that are updated whenever an SMTP ses. Reply is "500 5.3.0 Error: command failed". Use hard-bounce-reply for hard reject responses. Reply is "450 4.3.0 Error: command failed". Use soft-bounce-reply for soft reject responses. Specify a zero delay value to abort immediately. The client this is an attempt to block the client before it Wait delay seconds after responding to DATA, then abort prema. a Do not announce SASL authentication support. This option is not available when Postfix is This option has no effect when Postfix is Tain compatibility between successive versions. Note: this is an unsupported test program. The complement of the smtp-source(1) program. Since disk latencies are large compared to networkĭelays, this mode of operation can reduce the maximal performance byĬonnections can be accepted on IPv4 or IPv6 endpoints, or on Smtp-sink may also be configured to capture each mail delivery transac. Measure client performance, not protocol compliance. SMTP messages from the network and throws them away. SYNOPSIS smtp-sink : port backlog smtp-sink unix: pathname backlog DESCRIPTION smtp-sink listens on the named host (or address) and port. Smtp-sink - parallelized SMTP/LMTP test server
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