PHP: Sending huge quantity of emails in batch

Question

Putting aside the disdain from junk marketing I need to send around 15,000 emails to customers. My coworker has tried to send them through php mail loop but obviously it get

Answer 1

Are you running it through CGI or as a script on the command line? It's best to run it as a script on the command line.

If you say that it gets stuck, try running set_time_limit(0); to avoid PHP quitting from the execution being too long.