Fix typo

- Improve legibility

Author: horia

src/etc/mail/smtpd.conf

@@ -69,11 +69,11 @@ listen	on egress port submission \
 
 # Dispatchers
 #
-# Relay the message to foreign MX using opportunistic STARTTLS
+# Relay the message to any MX using opportunistic STARTTLS
 action	"relay" \
 	relay
 #
-# Relay the message to backp MX using mandatory STARTTLS with valid certificate
+# Relay the message as backp MX using mandatory STARTTLS with valid certificate
 action	"backup" \
 	relay backup tls
 #
@@ -98,20 +98,20 @@ action	"mda" \
 	wrapper "dovecot"
 
 
-# Rules	(first match wins)
+# Rules (first match wins)
 #
 # Local messages to forward
 match	from local \
 	for local \
 	action "forward"
 #
-# Local messages for vdomains to LMTP (or backup MX)
+# Local messages for virtual domains to MDA (or backup MX)
 match	from local \
 	!mail-from <blacklist-senders> \
 	for domain <vdomains> \
 	action "mda" # "backup", "lmtp", or "mda"
 #
-# Local DKIM signed messages to foreign MTA
+# Local DKIM signed messages to MTA
 match	tag DKIM \
 	from src 127.0.0.1 \
 	for any \