From re- +‎ address.

readdress (third-person singular simple present readdresses, present participle readdressing, simple past and past participle readdressed)

1. (transitive) To address or deal with again.

   Her latest paper readdresses some old problems in philosophy.

   • 1953, Uell Stanley Andersen, The Smoldering Sea, page 161:

     “Evenin', Commander,” Clarke said with mock cheerfulness. “How's it goin'?” Gadsby ignored this overture, turned away, and readdressed himself to his drink.

3. (transitive) To change the address of.

   John doesn't live there any more. You'd better readdress that parcel.

   • 1987, Nibble, volume 8, numbers 1-6, page 160:

     We can use this relocator code ourselves to readdress the DOS to the memory level that we want.

• addresser