Hallo, I am no sendmail expert, but does 553 not mean "Relaying denied" ?? So you have an error message from sendmail. Enno On Tuesday 15 June 2004 09:52, urgrue wrote: > i normally test our mail servers using a telnet to port 25. but > something is very different about one mail server. our client hasnt > complained so im assuming the mail server works. but if i telnet in, > when i get to MAIL FROM: blah@xxxxxxxxxx, the response is simply: > 553 5.3.0 blah@xxxxxxxxxxxxx >blah<@domain.com. > > what does >this< mean? > > any attempt to move on to RCPT TO: results in a need MAIL before RCPT > error. > > "blah" and "domain.com" are legitimate, genuine user/domain run by this > mail server. this error does not happen if i "send" the mail as > user@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > its hard to look up an explanation of the error when there is no error > message... > can anyone explain this? > > - > : send the line "unsubscribe linux-admin" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Groeten van Enno Oosterhuis e.oosterhuis@xxxxxxxxxxxxxx - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html