Hello everyone. I'd like to poll the group and see what SSL configurations you recommend using in ESA. Currently i'm running mine at "MEDIUM:HIGH:-SSLv2:-SSLv3:-aNULL:-EXPORT:@STRENGTH" on inbound SMTP but we are having quite a few complaints with senders unable to send us mail. Thanks in advance for your help.
You have turned off TLSv1.0 - first turn this back on. You need to perform an analysis of traffic before turning this off. Working with the critical business partners still using this.
A good check against your system is using checktls.com using SSL Probe option
I believe the below cipher string is from a 'recommendation' - but who is recommending I say. You need to balance support v security, that is why the big providers provide so much backwards compatibility to low encryption levels, as they don't want to turn business away.
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