On Thu, 2004-10-14 at 16:46, Jonathan Allen wrote: > Paul, > > > What is the exact line you have used in your sendmail.mc to define the > > smart host? > > define(`SMART_HOST',`83.104.103.142') > > or > > define(`SMART_HOST',`barumtrading.co.uk') Try define(`SMART_HOST',`[barumtrading.co.uk]') and see if that helps. > Just for what its worth: > > [root@mailgate mail]# nslookup > > barumtrading.co.uk > Server: 127.0.0.1 > Address: 127.0.0.1#53 > > Name: barumtrading.co.uk > Address: 83.104.103.142 Sometimes mail gets stuck in sendmail's queue with host lookup problems if there is a lame delegation for the recipient's domain. Is all of your outgoing mail stuck, or just some of it? Paul. -- Paul Howarth <paul@xxxxxxxxxxxx>