<div dir="ltr">On 14 November 2013 08:41, Gerald Davies <span dir="ltr"><<a href="mailto:gerald.davies@gmail.com" target="_blank">gerald.davies@gmail.com</a>></span> wrote:<div><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">I agree and also saw this re http. Personally, I guess from a<br>
technology point of view it was be interesting to see how it would<br>
affect a mailing list, too. I'm a little in the dark on how this<br>
would work with a list and new users. Perhaps I am misunderstood<br>
(aren't we all).</blockquote><div><br></div><div>It's good practice to use TLS on SMTP so the mail is encrypted between the servers en-route. You can see it being used in mail headers - for example, mail coming from the <a href="http://lug.org.uk">lug.org.uk</a> to my mail server shows <span style="color:rgb(0,0,0);white-space:pre-wrap"> version=TLSv1 cipher=RC4-SHA bits=128/128. That's only as good as the weakest link, and and servers that don't allow TLS will have the mail sent to them unencrypted. If all servers supported TLS then essentially the communication would remain private between the participants and the servers the mail passes through.</span></div>
<div><span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div><font color="#000000"><span style="white-space:pre-wrap">Encryption of the message itself would only be feasible if each individual had everyone else's certificate and trusted those certificates and the people that had access to their private key. On a public mailing list that's not really possible.</span></font></div>
<div><br></div></div></div></div></div>