On Thu, 21 Jan 2010 01:04:13 GMT Jim Nagel <netsurf(a)abbeypress.co.uk&gt; wrote: Thanks. <snip> This error is produced because our mail server refused your mailing because the headers contained a syntax error. And here's the syntax error. There's a missing angle-bracket off my email address, so the server thinks you're trying to email somebody called Rob Kendrick with the email address &quot;rjek(a)netsurf-browser.org, Michael Drake <tlsa(a)netsurf-browser.org&gt;&quot;, newline at all. An easy mistake to make, but your mail client really should have noticed it. B.