Check out Google’s transparency report https://transparencyreport.google.com/safer-email/overview
~ Matt > On Feb 22, 2018, at 13:04, Michael Storz <michael.st...@lrz.de> wrote: > > Am 2018-02-22 16:40, schrieb David Hofstee: >> Hi, >> A quick question... Does anyone have numbers on: >> - the (volume) percentage of emails sent via TLS (capable mail >> servers) >> - the (volume) percentage of emails sent via TLS where the receiving >> mta has a valid certificate >> - the (volume) percentage of emails sent via TLS where the receiving >> mta uses a valid certificate and supports DANE >> Any answer is appreciated. Yours, >> David > > Hi David, > > These are the numbers from the last seven days. Outbound traffic from the > Munich Scientific Network (several universities). 2/3 of the traffic goes to > Google, GMX, WEB.DE, Microsoft and Yahoo. GMX and WEB.DE support DANE (TLSA > records). > > Type MTAs Connections > > Untrusted 3.775 2,05 % > No TLS 3.278 2,36 % > Anonymous 3.534 4,62 % > DANE 157 23,91 % > Trusted 14.428 67,04 % > --------------------------- > 25.172 99,98 % > > Michael > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
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