Category Archives: Operations

Resolved: spam.his.com backlog 5/19/2014

Starting at 6:30 AM on Monday, 5/19/2014, multiple servers were hit with a high-volume spam flood from a Russian botnet that had hijacked user email accounts.  The volume was so high that spam.his.com, which filters both incoming and outgoing mail, became backlogged and mail delivery became very slow.  We identified the problem shortly after 7 AM and… Read More »

Planned maintenance: dc.his.com, mail.his.com upgrades – Done

In order to expand disk space to accommodate larger user disk allowances, Zimbra servers mail.his.com and dc.his.com will be taken offline briefly this weekend: mail.his.com – starting at 3 AM EDT, Saturday, April 6th – COMPLETED 5:20 AM April 6 dc.his.com – starting at 3 AM EDT, Sunday, April 7th – COMPLETED with no downtime.  

Facebook Phishing Email

We’ve started seeing email that looks like this: (This is just a screengrab image – the links above aren’t live). The message looks real enough (which is the idea) but it did not come from Facebook.  The link actually goes to servers in 15 locations in Korea, Japan, Brazil, Hungary, Poland and the Ukraine, where… Read More »