"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
Issue Recipient validation in PureMessage results in all mails being deleted.Sophos product and version PureMessage for Microsoft Exchange, version 3Operating system Windows 2003 SBS R2 SP1
Technical InformationThis issue arises if you have previously ignored error messages on recipient validation.
Mail should now be filtered correctly.
NOTE: If there is no Active Directory on your network, in order to use recipient validation you will need to enter each of the users and their mailbox within the Custom Users and Groups section of PureMessage.
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