Brian Mathis wrote: > An important document is the architectural overview ( > http://www.postfix.org/OVERVIEW.html) which is somewhat unceremoniously > indexed under "Other Topics" on the documentation page. That really helps > tie a lot of things together. I did find that illuminating. Thanks. -- Timothy Murphy e-mail: gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin 2, Ireland