id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
5294	$phpmailer->Sender line prevents comment notifications from being received	stitzelj	westi	"$phpmailer->Sender line prevents comment notifications from being received on hosts that do ""callout verification"" unless wordpress@[domain] is a valid email address. 

WORKAROUNDS

Ensure, that the email address wordpress@[domain] is a valid email address.

OR

Remove the following line in wp-includes/pluggable.php which was added in WP 2.3.1:

{{{
228  $phpmailer->Sender = apply_filters( 'wp_mail_from', $from_email ); 
}}}
"	defect (bug)	closed	normal		General	2.3.1	normal	duplicate