ESMTP TLS and Cisco ASA Issues | Disabling SMTP Fixup

The other day we had a problem with our upgrade from Exchange 2010 to 2016. We are currently running an ASA5510 in our development site which needs cross-site connect via eSMTP to our production site running an ASA5520. For the most part, the upgrade went pretty well. However, a few days passed and I overheard […]

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