email-tests: Renamed the SMTP tests to be in the range 900-906

Continued segregating the email protocol tests, into their own protocol
based ranges, in preparation of adding more e-mail related tests to the
test suite.

tests/data/test902

@@ -0,0 +1,59 @@
+<testcase>
+<info>
+<keywords>
+SMTP
+SMTP HELO
+RFC821
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<servercmd>
+REPLY EHLO 500 Command unrecognized
+REPLY HELO 250 Already old but still servicing...
+</servercmd>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+smtp
+</server>
+ <name>
+RFC821-only SMTP server (EHLO not supported)
+ </name>
+<stdin>
+From: different
+To: another
+
+body
+</stdin>
+ <command>
+smtp://%HOSTIP:%SMTPPORT/user --mail-rcpt 804@foo --mail-from 804@from -T -
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+EHLO user
+HELO user
+MAIL FROM:<804@from>
+RCPT TO:<804@foo>
+DATA
+QUIT
+</protocol>
+<upload>
+From: different
+To: another
+
+body
+
+.
+</upload>
+</verify>
+</testcase>