PHP mail() no longer works after update to OSX Mountain Lion

Question

I just updated OS X to Mountain Lion yesterday, but the php function mail() does not work anymore.

Before updating, the PHP mail() function wor

Answer 1

Finally I found the solution. After looking at the error_log (/Applications/XAMPP/xamppfiles/logs/error_log), there is an error: sendmail: fatal: chdir /Library/Server/Mail/Data/spool: No such file or directory

Do the following at your terminal:

sudo mkdir -p /Library/Server/Mail/Data/spool
sudo /usr/sbin/postfix set-permissions
sudo /usr/sbin/postfix start

Then the php mail() works!

Reference: https://apple.stackexchange.com/questions/54051/sendmail-error-on-os-x-mountain-lion