[PHP] can php detect whether an email address is a valid one?

I have a php script sending newsletter to a mailing list time by time, but some emails are no longer exist, so I need to remove them manually. Can php detect whether an email address is a valid one, then remove it from the list automatically? no matter before or after the newsletter has sent

RE: [PHP] can php detect whether an email address is a valid one?

] can php detect whether an email address is a valid one? I have a php script sending newsletter to a mailing list time by time, but some emails are no longer exist, so I need to remove them manually. Can php detect whether an email address is a valid one, then remove it from the list

Re: [PHP] can php detect whether an email address is a valid one?

o:[EMAIL PROTECTED]] Sent: Wednesday, November 14, 2001 1:31 PM To: [EMAIL PROTECTED] Subject: [PHP] can php detect whether an email address is a valid one? I have a php script sending newsletter to a mailing list time by time, but some emails are no longer exist, so I need to remove them manual