Plesk qmail failure – This address no longer accepts mail quick fix
02 May
Posted by: admin in: Linux/Plesk
Generally this error happens when mail was hosted on the server at some point, but has since been moved to an external mail server. Qmail will still try to deliver the message locally and fail with this error:
This_address_no_longer_accepts_mail
To fix this edit these files:
vi /var/qmail/control/rcpthosts
vi /var/qmail/control/virtualdomains
Remove the line with this domain from both files then restart Qmail:
/etc/init.d/qmail restart
This will solve the problem and mails will be sent properly.
When you make the changes, send test email with php mail() and then tail /usr/local/psa/var/log/maillog
Hope that this helps! 
Hi,
I had in the last days. I use Firefox all the time and probably because of the cached files or something else it started to lag when I was browsing in more than 4-5 tabs.
I found good solution solving this problem.
Win 7 solution
1. Clear the whole cache of your browser
2. Go to C:\Users\{USERNAME}\AppData\Roaming\Mozilla\FireFox\Profiles
3. Find the folder of your default profile.
4. Delete all sessiostore*.js files
Restart the browser and then everything should be fine.
Hope this will help you. I made it and now it’s working a few times faster .
P.S. I can’t imagine if I had to use Chrome LOL
Hi guys,
I met this problem a few times already and I decided to write about it. I will start and repeat this again: DO NOT USE INTERNET EXPLORER AS YOUR DEFAULT BROWSER
The problem is simple: When you have a flash container which is loading xml data generated from php script, this data won’t be loaded properly in the flash because of missing headers. Of course this happens only with IE. The solution is simple. You should add a piece of code which will check if the requests are coming from MSIE browser and if yes, then you just add additional headers.
Here is the code you have to use before the script output the generated xml
Hope this will help you!
Cheers!