Am 19.05.20 um 10:10 schrieb Ivan Ristic: > I've been hearing anecdotal evidence that email providers don't accept small > values for the maximum policy age in MTA-STS, for example anything smaller > than a day. I searched around and I found a few articles saying things to > that effect, but nothing specific. > > Does anyone here have experience with this sort of thing? What should we > (Hardenize) advise users to use as the smallest maximum policy age?
Hello Ivan, I asked a similar question last year: https://mailarchive.ietf.org/arch/msg/uta/bnUjy9jxM_Va-lDXVtbB32zIkYI/ Currently I use ~ 3 days as "max-age" and receive reports from google that don't let me think they have any problem with my setting. Andreas _______________________________________________ Uta mailing list Uta@ietf.org https://www.ietf.org/mailman/listinfo/uta