Viktor Dukhovni <ietf-dane@xxxxxxxxxxxx> wrote: > > Lots of servers support RC4, to interoperate with legacy peers, > but in practice very rarely negotiate it. Yes (with help from Viktor) my servers have a special cipher priority list to ensure that they negotiate RC4 with old Windows 2003 Exchange servers. I haven't checked recently if this is still necessary... http://archives.neohapsis.com/archives/postfix/2013-11/0121.html > It has been rumoured that Yahoo's outboud systems prefer RC4, and > unless servers impose their own cipher priority, mail from Yahoo > uses RC4. That's what it looks like to me. Tony. -- f.anthony.n.finch <dot@xxxxxxxx> http://dotat.at/ Bailey: Northeasterly 6 to gale 8 at first in northwest, otherwise cyclonic 4 or 5. Rough at first in northwest, otherwise moderate. Rain or showers. Good, occasionally poor.