Match the Return-Path to the From Address
Sets the envelope sender (Return-Path) of outgoing emails to the From address, which improves SPF alignment and deliverability on many hosts.
Opens WPIDE on
Code
add_action( 'phpmailer_init', function ( $phpmailer ) {
if ( empty( $phpmailer->Sender ) && is_email( $phpmailer->From ) ) {
$phpmailer->Sender = $phpmailer->From;
}
} );Notes
Your From address domain must be allowed to send from the server (SPF record).
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