Sunday, October 25, 2009

Amazon Web Services: file this under growing pains...

About a week (~ Oct 14th) Amazon Web Services (AWS) EC2 servers attempting to deliver business-critical emails were blocked or fatally rejected because AWS IP addresses were added to a blacklist by Spamhaus.org. Problem resolved.

Not very pleasant for companies providing business-class mail server hosting on AWS.

Oct 15th AWS worked with Spamhaus to remove all EC2 ranges from their PBLs.

The latest from Amazon Oct 21st:

“It is our intention to make it easy to reliably send email from the EC2 environment. As a result of our experience last week, we have released some changes to improve the ability of valid users to send email from EC2. We have started a new thread with the details of the improvement we have made: http://developer.amazonwebservices.com/connect/thread.jspa?threadID=37650. Please let me know if you have any further issues or questions”

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