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Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.
7.1.7 and 7.5.2 have the same version of horde as 6.0 had. It doesnt make a difference where you upgraded from, they didn't change it til now. 7.5.3 shipped with the latest version of horde, which while it looks good, it runs very slow. You guys need to get a room. Grow up... some of us are trying to get something done here. Chat rooms are on AOL's website.
I've been having problems with Horde's speed since upgrading to 7.5.3 from 7.5.2. I upgraded my install from the ARTS repository and its working fine now,
problem is there's about 700 domains on that box. I've been comparing it to another box I've got, running the same number of domains, and working perfectly, to no avail. I can't seem to find the bottleneck.
Actually there is one big difference, the one that runs good is FC2 as opposed to FC1, but I don't think that's it.
The machine is also for superior than the one that works good too. It's running 2 Xeon 2.4's, and 4GB Ram, with raid 1 over 0. It used to scream with alot more domains on it. Now the P4 with a Gig is walking all over it.
My system is FC2 with about 25 domains and Horde was so slow it was unusable. The host server is a dual opteron with 8gb ram and RAID 10 disks so I could not understand why it was so slow, the only thing I did was run yum against the ART repository reboot and now everythings much faster.
My only warning is do not update spamassassin from ART as it upgrades to ver 3 which Plesk does not work with it must be ver 2.6.