I've searched all over Google with no luck. Can someone point me in the right direction for learning how to send out batch emails with the
While according to
wp_mail() docs you can pass array of emails addressees it would be bad email tone since it will expose addresses between them.
There is no explicit bcc (blind copy) argument from quick look at source it does seems to be processed if passed in headers.
Note that many hosting providers are very nervous about mass outgoing emails and can react... poorly. :) It's better to check in advance how many and how often emails you are allowed to send.