??? 250 HELP
MAIL FROM:<someone@some.domain>
??? 250
-RCPT TO:<CALLER@HOSTNAME>
+RCPT TO:<CALLER@test.ex>
??? 250
BDAT 88 LAST
To: Susan@random.com
??? 250-CHUNKING
??? 250 HELP
MAIL FROM:<someone@some.domain>
-RCPT TO:<CALLER@HOSTNAME>
+RCPT TO:<CALLER@test.ex>
BDAT 88 LAST
To: Susan@random.com
From: Sam@random.com