We are using Zimbra 4.5.10 GA Release in our company. Unfortunately, the sources from this release cannot be downloaded from the zimbra site.
This URL is not working:
http://h.yimg.com/lo/downloads/4.5.1...A_1575-src.tgz

Does someone have a working URL?

It now gives a 404 response or this error:

<Error>
<Code>NoSuchKey</Code>
<Message>The specified key does not exist.</Message>
<Key>downloads/4.5.10_GA/zcs-4.5.10_GA_1575-src.tgz</Key>
<RequestId>9D9EC1C85518F18B</RequestId>

<HostId>
B0keUBGsv7FerT+6yfs0zGO+WiaN75MB1rBGMcKRf1aX5BXrwW 6HJAp6SQQTkIPW
</HostId>
</Error>