diff --git a/addons/account_edi/models/mail_template.py b/addons/account_edi/models/mail_template.py
index 7c48fce3a74..e809d323860 100644
--- a/addons/account_edi/models/mail_template.py
+++ b/addons/account_edi/models/mail_template.py
@@ -6,6 +6,17 @@ from odoo import api, models
 class MailTemplate(models.Model):
     _inherit = "mail.template"
 
+    def _get_edi_attachments(self, document):
+        """
+        Will return the information about the attachment of the edi document for adding the attachment in the mail.
+        Can be overridden where e.g. a zip-file needs to be sent with the individual files instead of the entire zip
+        :param document: an edi document
+        :return: list with a tuple with the name and base64 content of the attachment
+        """
+        if not document.attachment_id:
+            return []
+        return [(document.attachment_id.name, document.attachment_id.datas)]
+
     def generate_email(self, res_ids, fields):
         res = super().generate_email(res_ids, fields)
 
@@ -26,10 +37,7 @@ class MailTemplate(models.Model):
                 # wizard.
                 if doc.edi_format_id._is_embedding_to_invoice_pdf_needed():
                     continue
-
-                attachment = doc.attachment_id
-                if attachment:
-                    record_data.setdefault('attachments', [])
-                    record_data['attachments'].append((attachment.name, attachment.datas))
+                record_data.setdefault('attachments', [])
+                record_data['attachments'] += self._get_edi_attachments(doc)
 
         return res