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Annotation of researchv10no/lbin/mailx/man/ckbinarsys.1m, revision 1.1

1.1     ! root        1: '\"macro stdmacro
        !             2: .if n .pH g1.chbinarsys %W%
        !             3: .nr X
        !             4: .if \nX=0 .ds x} ckbinarsys 1M "Essential Utilities" "\&"
        !             5: .if \nX=1 .ds x} ckbinarsys 1M "Essential Utilities"
        !             6: .if \nX=2 .ds x} ckbinarsys 1M "" "\&"
        !             7: .if \nX=3 .ds x} ckbinarsys "" "" "\&"
        !             8: .TH \*(x}
        !             9: .SH NAME
        !            10: \f4ckbinarsys\f1 \- determine whether remote system can accept binary messages
        !            11: .SH SYNOPSIS
        !            12: \f4ckbinarsys\fP
        !            13: [\f4\-S\fP]
        !            14: \f4\-s\fP \f2remote_system_name\fP
        !            15: \f4\-t\fP \f2content_type\fP
        !            16: .SH DESCRIPTION
        !            17: Because \f4rmail\f1 can transport binary data, it may be important to
        !            18: determine whether a particular remote system (typically the next hop)
        !            19: can handle binary data via the chosen transport layer agent (uux, SMTP, etc.)
        !            20: .PP
        !            21: \f4ckbinarsys\fP consults the file \f4/etc/mail/binarsys\f1 for information on
        !            22: a specific remote system.
        !            23: \f4ckbinarsys\f1 returns its results via an appropriate exit code.
        !            24: An exit code of zero implies that it is OK to send a message with the
        !            25: indicated content type to the system specified.
        !            26: An exit code other than zero indicates that the
        !            27: remote system cannot properly handle messages with binary content.
        !            28: .PP
        !            29: The absence of the \f4binarsys\f1 file will cause
        !            30: \f4ckbinarsys\f1 to exit with a non-zero exit code.
        !            31: .PP
        !            32: Command-line arguments are:
        !            33: .sp .5
        !            34: .PD 0
        !            35: .TP 17
        !            36: \f4\-s\f2\0remote_system_name\f1
        !            37: Name of remote system to look up in \f4/etc/mail/binarsys\f1
        !            38: .TP
        !            39: \f4\-t\f2\0content_type\f1
        !            40: Content type of message to be sent.
        !            41: When invoked by \f4rmail\f1,
        !            42: this will be one of two strings:
        !            43: \f4text\f1 or \f4binary\f1,
        !            44: as determined by \f4mail\f1
        !            45: independent of any \f4Content-Type:\f1 header lines that may be
        !            46: present within the message header.
        !            47: All other arguments are treated as equivalent to \f4binary\f1.
        !            48: .TP
        !            49: \f4\-S\f1
        !            50: Normally, \f4ckbinarsys\fP will print a message (if the binary mail is rejected)
        !            51: which would be suitable for \f4rmail\fP to return in the negative acknowledgement mail.
        !            52: When \f4\-S\fP is specified, no message will be printed.
        !            53: .PD
        !            54: .SH FILES
        !            55: .PD 0
        !            56: .TP 27
        !            57: \f4/etc/mail/binarsys\f1
        !            58: .TP 27
        !            59: \f4/usr/lib/mail/surrcmd/ckbinarsys\f1
        !            60: .PD
        !            61: .SH SEE ALSO
        !            62: \f4mailsurr\f1(4),
        !            63: \f4binarsys\f1(4)
        !            64: .br
        !            65: \f4mail\f1(1),
        !            66: \f4uux\f1(1) in the \f2User's Reference Manual\f1.
        !            67: .Ee

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