Re: SMTP no-such-user issues

Steve Bertrand wrote: Hi everyone, We are experiencing an issue in regards to SMTP MTA relay responses regarding 'no such user', and it *apparently* appears to be only occurring when a particular site attempts to deliver email to us. For the sake of completeness... The problem has been foun

Re: SMTP no-such-user issues

Steve Bertrand wrote: Shane Short wrote: are you using vpopmail with your qmail install? (I can't seem to load your errors again, I recall they were chkuser failures) Yes, vpopmail against MySQL. I've had this problem before when I've run out of MySQL connections and vchkuser was then failin

Re: SMTP no-such-user issues

Shane Short wrote: are you using vpopmail with your qmail install? (I can't seem to load your errors again, I recall they were chkuser failures) Yes, vpopmail against MySQL. I've had this problem before when I've run out of MySQL connections and vchkuser was then failing. Thanks for the fee

Re: SMTP no-such-user issues

Nathan Ward wrote: On 18/06/2008, at 1:20 AM, Steve Bertrand wrote: Steve Bertrand wrote: Frank Bulk - iNAME wrote: Once you've performed a full capture on port 25, Wireshark does a nice job of providing an option to extract the relevant conversation by right-clicking on just one packet in

Re: SMTP no-such-user issues

On 18/06/2008, at 1:20 AM, Steve Bertrand wrote: Steve Bertrand wrote: Frank Bulk - iNAME wrote: Once you've performed a full capture on port 25, Wireshark does a nice job of providing an option to extract the relevant conversation by right-clicking on just one packet in that conversation a

Re: SMTP no-such-user issues

Steve Bertrand wrote: Frank Bulk - iNAME wrote: Once you've performed a full capture on port 25, Wireshark does a nice job of providing an option to extract the relevant conversation by right-clicking on just one packet in that conversation and choosing something called "Follow the TCP stream",

Re: SMTP no-such-user issues

Frank Bulk - iNAME wrote: Once you've performed a full capture on port 25, Wireshark does a nice job of providing an option to extract the relevant conversation by right-clicking on just one packet in that conversation and choosing something called "Follow the TCP stream", I believe. Ok. I've

RE: SMTP no-such-user issues

riginal Message- From: Steve Bertrand [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 17, 2008 7:44 AM To: [EMAIL PROTECTED] Cc: nanog@nanog.org Subject: Re: SMTP no-such-user issues Frank Bulk - iNAME wrote: > Please share a packet capture of a working and not working SMTP exchange. In order to p

Re: SMTP no-such-user issues

Frank Bulk - iNAME wrote: Please share a packet capture of a working and not working SMTP exchange. In order to provide the highest amount of clarity, could you recommend a specific set of tcpdump command line args that I should use? Steve

RE: SMTP no-such-user issues

Please share a packet capture of a working and not working SMTP exchange. Frank -Original Message- From: Steve Bertrand [mailto:[EMAIL PROTECTED] Sent: Tuesday, June 17, 2008 6:14 AM To: nanog@nanog.org Subject: Re: SMTP no-such-user issues Steve Bertrand wrote: > Hi everyone, >

Re: SMTP no-such-user issues

Steve Bertrand wrote: Hi everyone, We are experiencing an issue in regards to SMTP MTA relay responses regarding 'no such user', and it *apparently* appears to be only occurring when a particular site attempts to deliver email to us. Any advice on how to further troubleshoot my issue would be

SMTP no-such-user issues

Hi everyone, We are experiencing an issue in regards to SMTP MTA relay responses regarding 'no such user', and it *apparently* appears to be only occurring when a particular site attempts to deliver email to us. Any advice on how to further troubleshoot my issue would be greatly appreciated.