reject error receivers address

[felix.guo]

How to set to rejection the error email address and return the information to the sender

 

[Stoiko Ivanov]

How to set to rejection the error email address and return the information to the sender

I'm not sure I understand your question - which error email address, what do you want to return in which case...
please provide example logs and emails that describe what you want with a bit more detail!
Thanks!