Jerry Geis wrote: > I am sending an email from my machine devcentos5x64. > the transcript below (hangs for 60 seconds) at the line: > MAIL From:<root at devcentos5x64.msgnet.com> SIZE=56 > AUTH=root at devcentos5x64.msgnet.com > > The email succeeds - but I am trying to figure out the 60 second delay. > Neither email server is busy. Nothing is waiting. > > the DNS on both machines point to the same nameserver. The DNS responds > very fast when looking up server names. > > What else can I look for to remove the slowness or delay? > check reverse DNS, eg, looking up the PTR record for the IP's of both hosts.. if the subnet's in-arpa.addr zone is badly delegated, it could be timing out on that.