Hi,

I don't have any smpt and mail server installed on my vps, and my Wordpress powered site doesn't send emails if someone registers.
Can wp send mail without mail server?

You can always use PHP's built in mail() function to send email, without any servers necessary. I am not that much profound in WordPress, but I think that it comes with that functionality out of the box, and if it doesn't, there are numerous plugins that you can utilize for that.

Thank you very much, that's what I needed!

You will need an outgoing mail server such as postfix/exim/sendmail. There's guides in the linode library that cover their installation. (I suggest postfix)

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Hi

I am facing the same issue . Already configured postfix mail server still unable to send mail via wp_mail...