Add list-unsubscribe

inc/email.php

@@ -126,8 +126,8 @@ class Email extends PhpObject {
 		$oPHPMailer->Password   = Settings::MAIL_PASS;					//SMTP password
 		$oPHPMailer->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;		//Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` encouraged
 		$oPHPMailer->Port       = 587;									//TCP port to connect to, use 465 for `PHPMailer::ENCRYPTION_SMTPS` above
-		$oPHPMailer->setFrom(Settings::MAIL_USER, 'Spotty');
-		$oPHPMailer->addReplyTo(Settings::MAIL_USER, 'Spotty');
+		$oPHPMailer->setFrom(Settings::MAIL_FROM, 'Spotty');
+		$oPHPMailer->addReplyTo(Settings::MAIL_FROM, 'Spotty');
 		
 		foreach($this->asDests as $asDest) {
 			try {
@@ -138,6 +138,8 @@ class Email extends PhpObject {
 				//Unsubscribe Link
 				$sUnsubLink = $this->sServName.'?a=unsubscribe_email&id='.$asDest['id_user'];
 				$oEmail->setTag('unsubscribe_link', $sUnsubLink);
+				$oPHPMailer->addCustomHeader('List-Unsubscribe','<mailto:'.Settings::MAIL_FROM.'?subject=unsubscribe>, <'.$sUnsubLink.'>');
+				$oPHPMailer->addCustomHeader('List-Unsubscribe-Post','List-Unsubscribe=One-Click');
 				
 				//Email Content
 				$sHtmlMessage = $oEmail->getMask();

settings-sample.php

@@ -11,6 +11,7 @@ class Settings
 	const TEXT_ENC = 'UTF-8';
 	const TIMEZONE = 'Europe/Paris';
 	const MAIL_SERVER = '';
+	const MAIL_FROM = '';
 	const MAIL_USER = '';
 	const MAIL_PASS = '';
 	const DEBUG = true;

style/_mask_project.scss

@@ -478,9 +478,10 @@ $legend-color: $post-color;
 			.settings-section {
 				display: inline-block;
 				width: 100%;
+				margin-top: 1.5rem;
 				
 				h1 {
-					margin: 1.5rem 0 1rem;
+					margin: 0 0 1rem;
 				}
 			
 				label {
@@ -490,7 +491,7 @@ $legend-color: $post-color;
 				}
 				
 				&.title {
-					margin: -1rem;
+					margin: -1rem -1rem 0 -1rem;
 					width: calc(100% + 2rem);
 					background: rgba(255, 255, 255, 0.4);
 					text-align: center;