How to send a secured (blast) email to thousands users in php?

Question

If you are going to send emais to 3000++ users. Will you still use php mail function? I heard, it was not secured enough. How do I send a secured blast emails? I dont want t

Answer 1

The best method I've found for large lists is to use PEAR Mail in conjunction with Mail_Queue. Essentially, the messages get queued for delivery (stored as records in a MySQL database) and then a cron job runs periodically throughout the night to send them in manageable batches (using php CLI).