Send email using mail server

Classic v1.07.2
Unix
 
The email form my Form has been taking 30 mins to arrive.  The hosting company says it is because the email is going out using the web server instead of the mail server.  It has fixed itself for now but they say to expect it to happen again if the changes are not made.
I have a numbe of forms on different sites, so this has the potential to affect more sites.
Can Formmal.php send out through the smtp server?
 
Thanks
Geoff
 
No timely answer to this so I am changing to PHPMailer which is too bad as this has been a good script until this problem.
G

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No timely answer here so I am

No timely answer here so I am moving to PHPMailer.  Too bad, this has been a good script until this problem.

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