As previously announced we are re-racking our core infrastructure servers to make the machine room move in October as “simple” as possible. This Saturday, the 15th, marks the last major event in that process. We purposely chose this weekend as it …

Hey, gang! Well, we’re getting closer and closer to the time when we bid farewell to building 221. That also means bidding farewell to its spacious 3,000 square foot data center, and moving into the lovely 25,000 square foot data center in buildin…

Watch the tour video. Share and enjoy! Update: Flash version here.

Hey, folks. Just a friendly reminder that we’ll be upgrading the Zimbra mail and calendar server on Saturday. Mail will not be accessible between 9AM and 2PM. No mail will be lost, only delayed during the outage window. If you would like to follow…

Hey, folks. We’re planning to upgrade to Zimbra 5.0.16 on Saturday, 5/16. If this poses a problem for you, let me know ASAP. Among other things, this release is expected to finally fix reliability issues with iCal syncing on OS X. Thanks!

We’re still working with Yahoo to have the block removed, but in the interim we’ve got mail routing changed such that mail can now freely flow to Yahoo. Thanks for your patience.

Our efforts to work with Yahoo to get them to remove the block has been unsuccessful and quite frustrating. We’re going to do an end run around the problem, and configure mail bound for Yahoo to take a different route there which will not be block…

We’ve narrowed down what caused the blockage. A user who forwards all his mail to Yahoo fired off several thousand jobs on the TeraGrid, all of which started failing, resulting in a near-constant flood of mail to that user. Yahoo interpreted this …

If you or someone you know is using Yahoo mail, please note that Yahoo has decided that it will not accept mail from our servers. We’re working on recitfying this. A number of users are forwarding their Argonne mail directly to their Yahoo mailbox…