250 LIMITS MAILMAX=10 RCPTDOMAINMAX=100
MAIL FROM:<CALLER@the.local.host.name>
250 mail cmd good
-RCPT TO:<a@a.test.ex>
+RCPT TO:<a1@a.test.ex>
250 rcpt cmd 1 good
RCPT TO:<a2@a.test.ex>
250 rcpt cmd 2 good
250 message received
MAIL FROM:<CALLER@the.local.host.name>
250 second mail cmd good
-RCPT TO:<b@b.test.ex>
+RCPT TO:<b1@b.test.ex>
250 rcpt cmd 1 good
RCPT TO:<b2@b.test.ex>
250 rcpt cmd 2 good
250 second message received
MAIL FROM:<CALLER@the.local.host.name>
250 third mail cmd good
-RCPT TO:<c@c.test.ex>
+RCPT TO:<c1@c.test.ex>
250 rcpt cmd 1 good
DATA
352 go ahead