[Exim] How to remove extra info in errmsg from callout ?

can we simply say "550 Cannot route back to sender" instead of:

550-Verification failed for <*****>
550-Called:   ********
550-Sent:     RCPT TO:<*********>
550-Response: 550 Unknown local part ******* in <*************>

PS: exim 4

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VVS56-RIPE