Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!venus!yalevm!sinmicd From: SINMICD@YaleVM.YCC.Yale.Edu Newsgroups: comp.sys.sgi Subject: problems installing mail package Message-ID: <90350.234851SINMICD@YaleVM.YCC.Yale.Edu> Date: 17 Dec 90 04:48:51 GMT Organization: Yale University Lines: 28 I am having problems setting up my Iris 4D to receive mail from other sites. I have been able to successfully send mail out from the Iris to other machines, but when I try to send mail back, this is the error message I get: ============================================================ From: MAILER-DAEMON@friedel (Mail Delivery Subsystem) Subject: Returned mail: unknown mailer error 5 To: Status: RO ----- Transcript of session follows ----- mail: Options MUST PRECEDE persons 554 ... unknown mailer error 5 ============================================================ Any ideas on what I might be doing wrong? I have tried both the sendmail.cf that came with the Iris and also the Harvard sendmail.cf package -- I can get both to send mail out, but incoming mail always gets sent back with the above message. Thanks in advance for any helpful suggestions. Mike Sintchak. sintchak%hhvms8@venus.ycc.yale.edu