Can the ini_set() be used to point to another server (not the host box)? [code]ini_set ( "SMTP", "smtp.server.com" );[/code] Beverly On 29 Jan 2012, at 12:52 AM, Masayuki Nii wrote: > That's right. It' not always true that Windows has any kind of SMTP server. > So mail function of PHP can't always work.