Re: Fallback to IPV4 in case of IPV6 is not available

> On Apr 1, 2017, at 4:19 PM, Rick Zeman wrote: > > Comcast, surprisingly, is way ahead of the residential game: I am not surprised. In addition to having IPv6 they also have DNSSEC deployed, and have published working DANE TLSA records for their MX hosts. Bottom line, SMTP

Re: Fallback to IPV4 in case of IPV6 is not available

On Sat, Mar 25, 2017 at 2:48 PM, Paul C wrote: > I wish the world would use ipv6 enough for this to be worth doing, but > it's not going to have much benefit to you as there's almost no one > using it for smtp, from the last time I checked which was a few months > ago,

Re: message_size_limit - how to configure on multiple instances ?

thank You all :) 30 mar 2017 21:47 "Viktor Dukhovni" napisał(a): > > > On Mar 30, 2017, at 12:35 PM, Zalezny Niezalezny < > zalezny.niezale...@gmail.com> wrote: > > > > # postconf -d | grep message > > The "postconf -d" command returns compiled-in defaults. > For

Re: need little help with DKIM, if possible.

On 30 March 2017 at 17:42, Viktor Dukhovni wrote: > > > On Mar 30, 2017, at 12:35 PM, Dominic Raferd > wrote: > > > > As I understand it, ​DKIM requires a separate DNS record for each > subdomain > > No, DKIM has no such requirement. The