On Thu, 23 Nov 2017 16:39:25 -0700 Dave Warren wrote: > On 2017-11-21 11:57, RW wrote: > > On Tue, 21 Nov 2017 08:55:34 -0600 > > David Jones wrote: > > > > > >> You are correct. I haven't dug into the code to verify but it > >> appears that 3.4.x sa-update does use the DNS TXT record to know > >> when to download so it doesn't hurt anything to run this version > >> hourly. > > > > > > By the sound of it this warning doesn't apply at all to anyone with > > a normal up to date installation. > > > > It mostly shouldn't, but when I was supporting a mail server that > included a SpamAssassin integration, we ran into a non-zero number of > installations where DNS checks failed and they fell back on direct > connections.
I don't follow that. sa-update needs the result of the dns lookup to construct the download URL.
