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@@ -315,6 +315,14 @@ class Home extends Base {
         if(($formData['isBcc']??0) && !empty($formData['bcc'])){
             $sendData['bcc'] =   $formData['bcc'];
         }
+
+        // 添加自定义头信息 预热邮件
+        if(!empty($formData['aicc-hot'])){
+            $sendData['mail-header'] = [
+                'Aicc-Hot-Mail' =>  'hot' // 预热邮件
+            ];
+        }
+
         if(count($sendData['bcc'])>10){
             app()->e(['bcc_number_error',10]);
         }

@@ -846,7 +846,7 @@ class Imap {
         // body字段必须放最后
         if($header2Body=='header'){
 //            BODY.peek必须放最后
-            $filed = 'UID FLAGS INTERNALDATE RFC822.SIZE BODYSTRUCTURE BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT CONTENT-TYPE CC REPLY-TO LIST-POST DISPOSITION-NOTIFICATION-TO X-PRIORITY CONTENT-TRANSFER-ENCODING BCC IN-REPLY-TO MAIL-FOLLOWUP-TO MAIL-REPLY-TO MESSAGE-ID REFERENCES RESENT-BCC RETURN-PATH SENDER X-DRAFT-INFO)]';
+            $filed = 'UID FLAGS INTERNALDATE RFC822.SIZE BODYSTRUCTURE BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT CONTENT-TYPE CC REPLY-TO LIST-POST DISPOSITION-NOTIFICATION-TO X-PRIORITY CONTENT-TRANSFER-ENCODING BCC IN-REPLY-TO MAIL-FOLLOWUP-TO MAIL-REPLY-TO MESSAGE-ID REFERENCES RESENT-BCC RETURN-PATH SENDER X-DRAFT-INFO AICC-HOT-MAIL)]';
         }elseif($header2Body=='body'){
             $filed = 'RFC822.TEXT';
         }else{

@@ -172,6 +172,14 @@ class MailFun {
         $mail->CharSet = 'utf-8';
         $mail->Encoding = PHPMailer::ENCODING_QUOTED_PRINTABLE;
 
+        // 添加自定义头信息
+        if(!empty($data['mail-header']) && is_array($data['mail-header'])){
+            foreach ($data['mail-header'] as $k=>$v){
+                // 在邮件体中添加自定义标识 预热
+                $mail->addCustomHeader($k,$v);
+            }
+        }
+
         // 是否验证证书
 //        if(in_array(parse_url($smtp['host'])['host']??'1-1',['mail.laser-tech.com.cn'])){
             $mail->SMTPOptions = [