some specific email domains like hotmail, yahoo...not receiving activation emails.

[ngkimlong]

I'm using php() defualt email system and some new members who have email domains like yahoo.com, hotmail.com... just don't receive any activation emails from the forums.

So how do I do it right?

Thanks.

[Jose Amaral Rego]

Try these solutions winthin link below.
Email Issues (http://www.vbulletin.com/docs/html/troubleshoot_email)