From: Neil W Rickert (rickert+nn@cs.niu.edu) Subject: Re: 553 Domain name required Newsgroups: comp.mail.sendmail Date: 1999/12/30 Jim Turner writes: >I am in need of some help. This problem has plagued me >before and I've never found an answer. >It seems to involve MH more than any other mailhandler, but >it has happened in pine, elm, etc. I get the above mentioned >error (553 Domain name required). Here's the setup. >Upgrading from 8.8.8 to 8.9.3. Everything is going swimmingly >(testing via telnetting directly to port 25 shows all is well). Sending >from mh gives me this: >post: problem initializing server; [RPLY] 553 ... Domain name >required >send: message not delivered to anyone I believe this is a problem with how you built MH. Either that, or you have a very old version. As a work around, you might be able to set postproc: /usr/lib/mh/spost in your '.mh_profile'. Check the path, and whether 'spost' exists before trying this.