Hi Renaud You can use the service https://www.checktls.com/TestSender It tells you whether a certificate was presented or not. You need to send direct to their mx not through your smarthost though.
Regards, Adrian. On 29.05.18 11:10, Renaud Mertens via Exim-users wrote: > I'm trying to configure exim4 to relay outgoing mail through office365 > smarthost. > Apparently o365 requires a valid certificate with a known domain in the CN > field, otherwise the amount of mails you can send is limited and you risk > being flagged as spam or have mails refused. > > I placed the cert+key i want to use in /etc/exim4/ (exim.key and exim.crt). > Everything seems to be working, but i'm not sure they are actually being > used by exim .. how can I make sure they do ? > > If I rename the files and restart exim, mails are still being sent > successfully.. so that makes me wonder if my cert and key are used or not.. > > If i use exim's sendmail command manually, i see this in the output : > > TLS: no client certificate specified; okay > > If I use strace, i don't even see the process looking at > /etc/exim4/exim.key and exim.crt so i'm thinking maybe exim doesn't use > them ? > > If anyone can help me i'd appreciate. > Thanks > > Renaud > -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
