"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
From 1st October 2013, a new download location will be added for spam rules downloads:
this is in addition to the current URIs:
PureMessage for Microsoft Exchange
If you have firewall rules configured for spam rules downloads then they will need to be updated accordingly.
Related information / See also
PureMessage for Microsoft Exchange: troubleshooting spam rules download problems
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