I haven't seen any Thunderbird settings that would allow sending any certificates other than the signing cert. Is it still possible?
Thanks, M.D. Kurt Roeckx <[email protected]> wrote: >On Fri, Jun 20, 2014 at 09:31:44AM +0200, Greg wrote: >> I'm trying out COMODO's free S/MIME cert. On recipient machines, however, a >> warning is shown that the certificate was signed by an unknown authority, >> "COMODO Client Authentication and Secure Email CA." >> >> Indeed, Thunderbird appears to hold no such authority certificate. According >> to Comodo, it should be as follows. >> >> 1) AddTrustExternalCARoot.crt - Root >> 2) COMODOClientAuthenticationandSecureEmailCA.crt - Intermediate >> 3) UTNAddTrustClient_CA.crt - Intermediate >> >> The first one appears to be included in Thunderbird, but the other two >> aren't. I find it hard to believe Comodo would expect recipients of signed >> messages to install these, but Comodo's support is saying this is so. > >Are you actually sending all those certificates together with >message? > > >Kurt > >_______________________________________________ >dev-security-policy mailing list >[email protected] >https://lists.mozilla.org/listinfo/dev-security-policy _______________________________________________ dev-security-policy mailing list [email protected] https://lists.mozilla.org/listinfo/dev-security-policy

