250 OK
****
exim -odi -bs
+helo test
mail from:<x@remote>
rcpt to:<x@local>
data
250 OK
****
exim -odi -bs
+helo test
mail from:<z@remote>
rcpt to:<deny@local>
quit
250 OK
****
exim -d -odi -bs
+helo test
mail from:<qq@remote>
rcpt to:<abc@local>
rcpt to:<xyz@local>
quit
****
exim -odi -bs
+helo test
mail from:<>
rcpt to:<abc@local>
rcpt to:<xyz@local>