Added support for SMTP submission port (e.g. TCP port 587).

Documented ALLOW_SYSOP_ALIASES [mail] option.

ctrl/sbbs.ini

@@ -115,6 +115,7 @@ Options = XTRN_MINIMIZED | SYSOP_AVAILABLE | USE_2ND_RLOGIN | ALLOW_RLOGIN | ALL
 	MaxRecipients=100
 	RescanFrequency=3600
 	SMTPPort=25
+	SubmissionPort=587
 	POP3Port=110
 	DefaultCharset=IBM437
 	DefaultUser=sysop
@@ -140,6 +141,8 @@ Options = XTRN_MINIMIZED | SYSOP_AVAILABLE | USE_2ND_RLOGIN | ALLOW_RLOGIN | ALL
 ;	DEBUG_POP3		- Log details from POP3 sessions
 ;	ALLOW_RX_BY_NUMBER	- Allow mail received by user number (e.g. "1@yourbbs.com")
 ;	NO_NOTIFY		- Do not send telegrams on mew email receipt
+;	ALLOW_SYSOP_ALIASES	- Receive mail sent to built-in sysop aliases (i.e. "sysop" and "postmaster")
+;	USE_SUBMISSION_PORT	- Listen on the "MSA" service port for mail submissions
 ; 	NO_HOST_LOOKUP		- Do not look-up hostnames of connected clients
 ;	USE_TCP_DNS		- Use TCP (instead of UDP) for DNS MX record queries
 ;	NO_SENDMAIL		- Disable sendmail thread