01-17-2014 10:04 AM - edited 03-11-2019 08:31 PM
Hi There,
Is there a way to do e-mail logging using SSL/TLS on a Cisco ASA? SMTP seems straight forward, however, I can't do SMTP (Port 25 TCP) outbound as my ISP has it blocked.
Thanks in advance!
Matt
01-18-2014 09:48 PM
Matt,
Depending on your context.
Are you still using ESA as your mail proxy?
With ESA, as far as I know, enabling ESMTP on ASA will cause issue on TLS traffic.
Thanks,
-donny
01-21-2014 09:05 AM
Hi Donny,
I am not using an ESA, I cannot seem to find any Cisco documentation on how to configure e-mail logging on an ASA using SSL/TLS. Does this documentaion exist? I am not having inspect issues, my pcaps show no 465/587 TCP traffic leaving my outside interface when a logging event occurs. When I configure e-mail logging using SMTP I see port 25 TCP traffic leaving, so I must not be configuring it correctly for SSL/TLS.
Thanks,
Matt
01-21-2014 02:56 PM
Hi Matt,
I will move your discussion to the ASA/Firewalling section since there will be more people with ASA skills to answer your query there.
Discussions in Email Security are normally around the Cisco ESA.
Thanks,
Donny
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