UPDATE - Deprecation enforcement of TLS 1.0 and 1.1 postponed to a later date
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Update
On January 9, 2020, we had posted a notice that ESS would be dropping support for TLS v1.0 and v1.1 on June 1 of this year. Due to the current world crisis, we have temporarily halted the deprecation enforcement of TLS 1.0 and 1.1. This means that ESS will continue to accept mail, from senders using these protocols, until further notice.