Email your host and ask how many email can you send per hour / day etc. Some host impose limitations on the number of emails you can send per hour / day.
If they indeed do have a limitation, you can use Paul M's cron job.
Have them check their junk mail and have your users check to see if they have a valid email address. Some change email addresses and forget to change it on the forum. That is usually the problem on my forum.
10-20-2009, 12:39 PM
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