<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">On 20 Feb 2019, at 9:16 PM, <a href="mailto:bzs@theworld.com" class="">bzs@theworld.com</a> wrote:<br class=""><div><blockquote type="cite" class=""><div class=""><div class="">On February 20, 2019 at 15:29 <a href="mailto:bruns@2mbit.com" class="">bruns@2mbit.com</a> (Brielle Bruns) wrote:<br class=""><blockquote type="cite" class="">On 2/20/2019 1:22 PM, Matthew Black wrote:<br class=""><blockquote type="cite" class="">Have you ever created a sendmail.cf without using M4?<br class=""></blockquote></blockquote><br class="">I've certainly maintained them, one usually started with whatever came<br class="">with the source distr or maybe you'd get someone to share something<br class="">with you to bang on.<br class=""><br class="">One reason sendmail.cf's seem so complicated is because sendmail was<br class="">designed to gateway and route between very different email systems.<br class="">...</div></div></blockquote><br class=""></div><div><chuckle> sendmail.cf was fun, but MMDF channels were so much more amusing –</div><div>and rather necessary in order to deal with gatewaying BITNET, phonenet, DECNET, </div><div>X25NET, uunp, and ondemand dialup-ip ppp and cslip domains in a semi-reliable </div><div>manner on the <a href="http://relay.cs.net" class="">relay.cs.net</a> and <a href="http://relay2.cs.net" class="">relay2.cs.net</a> servers. </div><div><br class=""></div><div>It didn’t help that many sendmail.cf files in those days shipped <a href="http://relay.cs.net" class="">relay.cs.net</a> preset as </div><div>their default smtp relay host… always made for large queues and careful editing. </div><div><br class=""></div><div>/John</div><div><br class=""></div><div><br class=""></div></body></html>