docs: Document submission_over_tls_address option

The submission_over_tls_address configuration option has existed for a
long time, but was not properly documented.

This patch adds it to the manpage, as well as printing it in the
configuration output on startup.

docs/man/chasquid.conf.5

@@ -1,4 +1,4 @@
-.\" Automatically generated by Pod::Man 4.09 (Pod::Simple 3.35)
+.\" Automatically generated by Pod::Man 4.10 (Pod::Simple 3.35)
 .\"
 .\" Standard preamble:
 .\" ========================================================================
@@ -54,16 +54,20 @@
 .\" Avoid warning from groff about undefined register 'F'.
 .de IX
 ..
-.if !\nF .nr F 0
+.nr rF 0
-.if \nF>0 \{\
+.if \n(.g .if rF .nr rF 1
-.    de IX
+.if (\n(rF:(\n(.g==0)) \{\
-.    tm Index:\\$1\t\\n%\t"\\$2"
+.    if \nF \{\
+.        de IX
+.        tm Index:\\$1\t\\n%\t"\\$2"
 ..
-.    if !\nF==2 \{\
+.        if !\nF==2 \{\
-.        nr % 0
+.            nr % 0
-.        nr F 2
+.            nr F 2
+.        \}
 .    \}
 .\}
+.rr rF
 .\"
 .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
 .\" Fear.  Run.  Save yourself.  No user-serviceable parts.
@@ -129,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "chasquid.conf 5"
-.TH chasquid.conf 5 "2018-06-06" "" ""
+.TH chasquid.conf 5 "2019-07-15" "" ""
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -138,7 +142,7 @@
 chasquid.conf(5) \-\- chasquid configuration file
 .SH "SYNOPSIS"
 .IX Header "SYNOPSIS"
-\&\fIchasquid.conf\fR\|(5) is \fIchasquid\fR\|(1)'s main configuration file.
+\&\fBchasquid.conf\fR\|(5) is \fBchasquid\fR\|(1)'s main configuration file.
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"
 The file is in protocol buffers' text format.
@@ -159,14 +163,19 @@ clients, for aesthetic purposes. Default: the system's hostname.
 Maximum email size, in megabytes. Default: 50.
 .IP "\fBsmtp_address\fR (repeated string):" 8
 .IX Item "smtp_address (repeated string):"
-Addresses to listen on for \s-1SMTP.\s0 Default: \*(L"systemd\*(R", which means systemd
+Addresses to listen on for \s-1SMTP\s0 (usually port 25). Default: \*(L"systemd\*(R", which
-passes sockets to us. systemd sockets must be named with
+means systemd passes sockets to us. systemd sockets must be named with
 \&\fBFileDescriptorName=smtp\fR.
 .IP "\fBsubmission_address\fR (repeated string):" 8
 .IX Item "submission_address (repeated string):"
-Addresses to listen on for submission. Default: \*(L"systemd\*(R", which means
+Addresses to listen on for submission (usually port 587). Default: \*(L"systemd\*(R",
-systemd passes sockets to us. systemd sockets must be named with
+which means systemd passes sockets to us. systemd sockets must be named with
 \&\fBFileDescriptorName=submission\fR.
+.IP "\fBsubmission_over_tls_address\fR (repeated string):" 8
+.IX Item "submission_over_tls_address (repeated string):"
+Addresses to listen on for submission-over-TLS (usually port 465). Default:
+\&\*(L"systemd\*(R", which means systemd passes sockets to us. systemd sockets must be
+named with \fBFileDescriptorName=submission_tls\fR.
 .IP "\fBmonitoring_address\fR (string):" 8
 .IX Item "monitoring_address (string):"
 Address for the monitoring \s-1HTTP\s0 server. Do \s-1NOT\s0 expose this to the public
@@ -224,4 +233,4 @@ overridden using the \f(CW\*(C`dovecot_userdb_path\*(C'\fR and \f(CW\*(C`dovecot
 needed.
 .SH "SEE ALSO"
 .IX Header "SEE ALSO"
-\&\fIchasquid\fR\|(1)
+\&\fBchasquid\fR\|(1)

docs/man/chasquid.conf.5.pod

@@ -33,16 +33,22 @@ Maximum email size, in megabytes. Default: 50.
 
 =item B<smtp_address> (repeated string):
 
-Addresses to listen on for SMTP. Default: "systemd", which means systemd
+Addresses to listen on for SMTP (usually port 25). Default: "systemd", which
-passes sockets to us. systemd sockets must be named with
+means systemd passes sockets to us. systemd sockets must be named with
 B<FileDescriptorName=smtp>.
 
 =item B<submission_address> (repeated string):
 
-Addresses to listen on for submission. Default: "systemd", which means
+Addresses to listen on for submission (usually port 587). Default: "systemd",
-systemd passes sockets to us. systemd sockets must be named with
+which means systemd passes sockets to us. systemd sockets must be named with
 B<FileDescriptorName=submission>.
 
+=item B<submission_over_tls_address> (repeated string):
+
+Addresses to listen on for submission-over-TLS (usually port 465). Default:
+"systemd", which means systemd passes sockets to us. systemd sockets must be
+named with B<FileDescriptorName=submission_tls>.
+
 =item B<monitoring_address> (string):
 
 Address for the monitoring HTTP server. Do NOT expose this to the public

internal/config/config.go

@@ -88,6 +88,7 @@ func LogConfig(c *Config) {
 	log.Infof("  Max data size (MB): %d", c.MaxDataSizeMb)
 	log.Infof("  SMTP Addresses: %v", c.SmtpAddress)
 	log.Infof("  Submission Addresses: %v", c.SubmissionAddress)
+	log.Infof("  Submission+TLS Addresses: %v", c.SubmissionOverTlsAddress)
 	log.Infof("  Monitoring address: %s", c.MonitoringAddress)
 	log.Infof("  MDA: %s %v", c.MailDeliveryAgentBin, c.MailDeliveryAgentArgs)
 	log.Infof("  Data directory: %s", c.DataDir)