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We recommend all 4.5.2 users upgrade immediately to this release. The 4.5.3 release fixes a number of bugs in 4.5.2. The impact of bug 14984 was that incoming 8 bit messages could be permanently corrupted when they enter the ZCS. This has impacted several customers outside the United States, and customers anywhere receiving mail from people outside the United States. This major bug existed only in 4.5.2 and is fixed in 4.5.3. We also believe that the periodic issues with the web client failing to load in IE7 have been fixed. Please provide feedback on this via support or bug 12318. Please see the release notes for full details.
For some reason the RHEL download on Sourceforge is only showing 4.5.2 for me. Yes, I cleared the browser cache etc. etc. - just in case. I was able to get 4.5.3 by entering the correct filename.
For some reason the RHEL download on Sourceforge is only showing 4.5.2 for me. Yes, I cleared the browser cache etc. etc. - just in case. I was able to get 4.5.3 by entering the correct filename.
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PRIORITY: ZCS 4.5.3 GA Released 
Yes, I cleared the browser cache etc. etc. - just in case. 
I was able to get 4.5.3 by entering the correct filename.
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