docs: Regenerate man pages with a newer version of pod2man

The manpages are generated from pod files using pod2man, but it has been
a long time since we last re-generated them, and the new versions of
pod2man generate significantly different (and simpler) pages.

So this patch just regenerates the man pages, to make future changes
easier and more self contained to review.

docs/man/smtp-check.1

@@ -1,4 +1,5 @@
-.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.43)
+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man 5.0102 (Pod::Simple 3.45)
 .\"
 .\" Standard preamble:
 .\" ========================================================================
@@ -15,29 +16,12 @@
 .ft R
 .fi
 ..
-.\" Set up some character translations and predefined strings.  \*(-- will
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-.\" therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
-.\" nothing in troff, for use with C<>.
-.tr \(*W-
-.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
 .ie n \{\
-.    ds -- \(*W-
-.    ds PI pi
-.    if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
-.    if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\"  diablo 12 pitch
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 .    ds C` ""
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 'br\}
 .el\{\
-.    ds -- \|\(em\|
-.    ds PI \(*p
-.    ds L" ``
-.    ds R" ''
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@@ -68,96 +52,34 @@
 .    \}
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-.    ds /
-.\}
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-\{\
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-.    ds ae ae
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-.\}
-.rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
 .IX Title "smtp-check 1"
-.TH smtp-check 1 "2023-07-14" "" ""
+.TH smtp-check 1 2023-07-14 "" ""
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
 .nh
-.SH "NAME"
+.SH NAME
 smtp\-check \- SMTP setup checker
-.SH "SYNOPSIS"
+.SH SYNOPSIS
 .IX Header "SYNOPSIS"
 \&\fBsmtp-check\fR [\-port \fIport\fR] [\-localname \fIdomain\fR] [\-skip_tls_check] \fIdomain\fR
-.SH "DESCRIPTION"
+.SH DESCRIPTION
 .IX Header "DESCRIPTION"
-smtp-check is a command-line too for checking \s-1SMTP\s0 setups (\s-1DNS\s0 records, \s-1TLS\s0
-certificates, \s-1SPF,\s0 etc.).
-.SH "OPTIONS"
+smtp-check is a command-line too for checking SMTP setups (DNS records, TLS
+certificates, SPF, etc.).
+.SH OPTIONS
 .IX Header "OPTIONS"
 .IP "\fB\-port\fR \fIport\fR:" 8
 .IX Item "-port port:"
-Port to use for connecting to the \s-1MX\s0 servers.
+Port to use for connecting to the MX servers.
 .IP "\fB\-localname\fR \fIdomain\fR:" 8
 .IX Item "-localname domain:"
-Local name to use for the \s-1EHLO\s0 command.
-.IP "\fB\-skip_tls_check\fR:" 8
+Local name to use for the EHLO command.
+.IP \fB\-skip_tls_check\fR: 8
 .IX Item "-skip_tls_check:"
-Skip \s-1TLS\s0 check (useful if connections are blocked).
+Skip TLS check (useful if connections are blocked).
 .SH "SEE ALSO"
 .IX Header "SEE ALSO"
 \&\fBchasquid\fR\|(1)