How to Clear Browser cache on Windows 7 ?

Users can easily clear their browser cache on Windows 7 using below steps :

1. Click the Start button.

2. Enter cmd in the Start menu search field.

3. Right-click on Command Prompt and select Run as Administrator.

4. Type the following command and press Enter: ipconfig /flushdns
If the command was successful, you will see the following message:

Windows IP configuration successfully flushed the DNS Resolver Cache.

Thats it.

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Can’t execute command ‘/usr/local/cpanel/bin/sendmail_cpanel -i -t -f in squirrelmail

SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers. It has very few requirements and is very easy to configure and install.
A cPanel offers SquirrelMail by default but sometimes you get following error while accessing SquirrelMail.

Can't execute command '/usr/local/cpanel/bin/sendmail_cpanel -i -t -f in squirrelmail

First SSH into your server and run :-

/scripts/upcp --force
/scripts/eximup --force

if that does not fix the issue run the following commands:-

cd /usr/sbin
mv sendmail sendmail.157979
ln -s /usr/sbin/exim /usr/sbin/sendmail
mv /etc/eximmailtrap /etc/eximmailtrap.157979

/scripts/eximup --force
/scripts/mailscannerupdate --force
service exim restart

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