Added posting messages with user alias

lang/Language.xref

@@ -475,3 +475,5 @@
 474	newuser.c change.c		|Your address, maximum 3 lines (only visible for the sysop):
 475	newuser.c change.c		|You need to enter your address here
 476	change.c			|Old address:
+477	mail.c				|Use your alias (
+478	mail.c				YN|) to post this message [Y/n]: 

lang/dutch.txt

@@ -475,3 +475,5 @@ JN|Bestand meesturen [j/N]:
 |Geef adres, maximaal 3 regels (alleen zichtbaar voor de sysop):
 |U moet hier Uw adres opgeven
 |Oude adres:
+|Use your alias (
+YN|) to post this message [Y/n]: 

lang/english.txt

@@ -475,3 +475,5 @@ YN|Attach file [y/N]:
 |Your address, maximum 3 lines (only visible for the sysop):
 |You need to enter your address here
 |Old address:
+|Use your alias (
+YN|) to post this message [Y/n]: 

lang/galego.txt

@@ -475,3 +475,5 @@ YN|Adxuntar ficheiro [s/N]:
 |Your address, maximum 3 lines (only visible for the sysop):
 |You need to enter your address here
 |Old address:
+|Use your alias (
+YN|) to post this message [Y/n]: 

lang/italian.txt

@@ -475,3 +475,5 @@ SN|Allega file [s/N]:
 |Your address, maximum 3 lines (only visible for the sysop):
 |You need to enter your address here
 |Old address:
+|Use your alias (
+YN|) to post this message [Y/n]: 

lang/spanish.txt

@@ -475,3 +475,5 @@ YN|Adjuntar fichero [s/N]:
 |Your address, maximum 3 lines (only visible for the sysop):
 |You need to enter your address here
 |Old address:
+|Use your alias (
+YN|) to post this message [Y/n]: