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Published May 15, 2018 "Fix to PGP or S/MIME encryption vulnerabilities" Note: This security update also includes all previously issued updates.
Published May 19, 2017 "Fix to MultiPOP and DomainPOP use for copying emails to a separate server"
Published April 19, 2017 "EasyBee Exploit Notice"
Published July 07, 2016 "Fix to File Attachment Vulnerability"
Published - June 19, 2015 "Fix to Content Filter Vulnerability"
Published - January 12, 2015 "Migrate from SHA-1 to SHA-2 SSL Certificates"
Published - May 13, 2014 "Fix to Potential Remote Code Execution Vulnerability"
Published - November 30, 2012 "Fix to Key File Reporting"
Published - October 24, 2012 "Fix to Potential Account Access Vulnerability"