On Tue, 15 Jan 2019 at 00:37, Brandon Long <bl...@google.com> wrote: > > > On Mon, Jan 14, 2019 at 12:44 PM <elie...@ngtech.co.il> wrote: > >> Seems to be perfectly fine: >> >> >> https://mxtoolbox.com/SuperTool.aspx?action=spf%3akictanet.or.ke&run=toolpage >> >> >> >> I do not see any real reason else then gray-listing your server at >> yahoo.com. >> >> >> >> What you can try to do is check if yahoo.com mx servers like better >> encrypted connections ie “250 STARTTLS” or similar. >> >> Gmail for example blacklisted some of my emails due to the incoming >> connection not being encrypted. >> > > I mean, I don't know every single rule we have, but I don't think there's > any explicit anti-spam rule associated with whether a connection is > encrypted or not. I can imagine the feature gets into the ML model, but ... > > anyways, I encourage everyone to encrypt there mail anyways, I just don't > think we've used that stick yet. > > Brandon >
Personally, I have never understood the need for encryption between servers. I always think it's superficial and unnecessary. Encryption from one MuA to the destination MuA makes a lot more sense since servers don't 'read' mail, no? -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)
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