sendming bulk emails from php is very slow due to spamassassin

[noamkrief]

I have a forum which sends new post notifications to all users who are subscribed to receive notifications when a new post occurs.

It runs a sql query and sends a new topic notification email to all the users from that query.

 

But spamassassin makes this process very slow. the cpu on the server go up to 90% for about 3 minutes because of the spamassassin engine trying to go through all these emails being sent - about 50 of them.

 

the header(location ./blah.php) does not kick in untill spamassassin has finished which makes submitting a new post about 3 minutes of a wait!

 

I already have it whitelisted in spamassassin but spamassassin is still scanning the messages.

 

Is there something I can do in php to take me to the confirmation page listed on the header() function before the script is done?

 

Hope think makes sense..

Thanks everyone!

Noam