Quoting Ry Jones <rjones@airgap.net>: > I'm running 1.2.4 horde, where do I make this change? and in what format? Horde 1.2.x/IMP 2.2.x do not support sending mail by SMTP. Sending is only available via a sendmail compatible binary and configured via the following setting: $default->path_to_sendmail = '/usr/bin/sendmail'; --mk23