Part of the problem is that his host is breaking source routes :( >This delivery error is in a special format that allows software like >LISTSERV to automatically take action on incorrect addresses; you can >safely ignore the numeric codes. > >Note: delivery error converted to LMail format at UBVM.CC.BUFFALO.EDU. > >--> Error description: >Error-For: [log in to unmask] >Error-Code: 3 >Error-Text: 553 <@UBVM.cc.buffalo.edu:[log in to unmask]>... >551<?><@UBVM.cc.buffalo.edu.>:[log in to unmask] > >Error-End: One error reported > >----------------- Original delivery error (before conversion) ---------------- >UBVM.cc.buffalo.edu unable to deliver following mail to recipient(s): > <[log in to unmask]> >UBVM.cc.buffalo.edu received negative reply: >553 <@UBVM.cc.buffalo.edu:[log in to unmask]>... >551<?><@UBVM.cc.buffalo.edu.>:[log in to unmask]