tests: Added SMTP invalid --mail-rcpt test

tests/data/Makefile.am

@@ -70,7 +70,7 @@ test850 test851 test852 test853 test854 test855 test856 test857 test858 \
 test859 test860 test861 test862 \
 \
 test900 test901 test902 test903 test904 test905         test907 test908 \
-test909 test910 test911 test912 test913 test914 test915 \
+test909 test910 test911 test912 test913 test914 test915 test916 \
 \
 test1000 test1001 test1002 test1003 test1004 test1005 test1006 test1007 \
 test1008 test1009 test1010 test1011 test1012 test1013 test1014 test1015 \

tests/data/test916

@@ -0,0 +1,46 @@
+<testcase>
+<info>
+<keywords>
+SMTP
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+smtp
+</server>
+ <name>
+SMTP with invalid --mail-rcpt
+ </name>
+<stdin>
+From: different
+To: another
+
+body
+</stdin>
+ <command>
+smtp://%HOSTIP:%SMTPPORT/user --mail-rcpt invalid --mail-from 916@example.com -T -
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<errorcode>
+55
+</errorcode>
+<protocol>
+EHLO user
+MAIL FROM:<916@example.com>
+RCPT TO:<invalid>
+QUIT
+</protocol>
+</verify>
+</testcase>