diff --git a/htdocs/adherents/admin/website.php b/htdocs/adherents/admin/website.php
index 401cb68a4b6..92d09e3a9b3 100644
--- a/htdocs/adherents/admin/website.php
+++ b/htdocs/adherents/admin/website.php
@@ -243,7 +243,7 @@ if (getDolGlobalString('MEMBER_ENABLE_PUBLIC')) {
 	print '<tr class="oddeven drag" id="trforcenature"><td>';
 	print $langs->trans("ForceMemberNature");
 	print '</td><td>';
-	$forcenature = getDolGlobalInt('MEMBER_NEWFORM_FORCEMORPHY', 0);
+	$forcenature = getDolGlobalString('MEMBER_NEWFORM_FORCEMORPHY'); // 'phy' or 'mor'
 	print $form->selectarray("MEMBER_NEWFORM_FORCEMORPHY", $morphys, $forcenature, 1);
 	print "</td></tr>\n";
 
diff --git a/htdocs/core/class/CMailFile.class.php b/htdocs/core/class/CMailFile.class.php
index ff224336a03..89a3b921328 100644
--- a/htdocs/core/class/CMailFile.class.php
+++ b/htdocs/core/class/CMailFile.class.php
@@ -8,6 +8,7 @@
  * Copyright (C) 2005-2012  Regis Houssin               <regis.houssin@inodbox.com>
  * Copyright (C) 2019-2024  Frédéric France             <frederic.france@free.fr>
  * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
+ * Copyright (C) 2025       Joachim Kueter              <git-jk@bloxera.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -624,7 +625,9 @@ class CMailFile
 			if (!empty($this->atleastonefile)) {
 				foreach ($filename_list as $i => $val) {
 					$content = file_get_contents($filename_list[$i]);
-					$smtps->setAttachment($content, $mimefilename_list[$i], $mimetype_list[$i], (empty($cid_list[$i]) ? '' : $cid_list[$i]));
+					if (empty($cid_list[$i])) {
+						$smtps->setAttachment($content, $mimefilename_list[$i], $mimetype_list[$i], (empty($cid_list[$i]) ? '' : $cid_list[$i]));
+					}
 				}
 			}
 
@@ -1859,15 +1862,17 @@ class CMailFile
 						$mimetype_list[$i] = "application/octet-stream";
 					}
 
+					// Skip files that have a CID (they will be added as inline images instead)
+					if (!empty($cidlist) && is_array($cidlist) && isset($cidlist[$i]) && $cidlist[$i] !== null && $cidlist[$i] !== '') {
+						continue; // Skip this file as it will be processed as inline image
+					}
+
 					$out .= "--".$this->mixed_boundary.$this->eol;
+
 					$out .= "Content-Disposition: attachment; filename=\"".$filename_list[$i]."\"".$this->eol;
 					$out .= "Content-Type: ".$mimetype_list[$i]."; name=\"".$filename_list[$i]."\"".$this->eol;
 					$out .= "Content-Transfer-Encoding: base64".$this->eol;
 					$out .= "Content-Description: ".$filename_list[$i].$this->eol;
-					if (!empty($cidlist) && is_array($cidlist) && $cidlist[$i]) {
-						$out .= "X-Attachment-Id: ".$cidlist[$i].$this->eol;
-						$out .= "Content-ID: <".$cidlist[$i].'>'.$this->eol;
-					}
 					$out .= $this->eol;
 					$out .= $encoded;
 					$out .= $this->eol;
@@ -2197,6 +2202,22 @@ class CMailFile
 				$i++;
 			}
 
+			// Also add cidfromdata images to images_encoded array so they are sent as inline images
+			foreach ($this->html_images as $img) {
+				if ($img['type'] == 'cidfromdata') {
+					$image_content = file_get_contents($img['fullpath']);
+					if ($image_content !== false) {
+						$idx = count($this->images_encoded);
+						$this->images_encoded[$idx]['name'] = $img['name'];
+						$this->images_encoded[$idx]['fullpath'] = $img['fullpath'];
+						$this->images_encoded[$idx]['content_type'] = $img['content_type'];
+						$this->images_encoded[$idx]['cid'] = $img['cid'];
+						$this->images_encoded[$idx]['type'] = 'cidfromdata';
+						$this->images_encoded[$idx]['image_encoded'] = chunk_split(base64_encode($image_content), 68, $this->eol);
+					}
+				}
+			}
+
 			return 1;
 		} else {
 			return 0;