Multiple inbound Email with case creation email send respectively to the user

Hello Developer ,

I want configured multiple inbound email in the SuiteCrm system. So , I am facing a problem of a case creation email receiver :-

Example:- There are 2 inbound email A and B and Respectively i have created outbound email also. If user send a mail on A email id then the user receive a case creation email through A outbound email. But when an user send a email to B email id then case creation email gone through A email id . So i just want B email’s case creation should be send through B email id to the user .

Please help out.