T1857 FIX fetchmail for support requests

- Use reply-to field to checking the sponsor email
- Limit the search to avoid finding compassion email addresses
- Avoid crashes when multiple partners are found, take the first

crm_request/models/request.py

@@ -161,14 +161,15 @@ def message_new(self, msg, custom_values=None):
             "alias_id": alias.id,
             "categ_id": category_id,
             "name": subject,
-            "email_from": msg.get("from"),
+            # Our contact forms use the reply-to field for the sponsor's email
+            "email_from": msg.get("in-reply-to", msg.get("from")),
         }
 
         if "partner_id" not in custom_values:
             match_obj = self.env["res.partner.match"]
             partner = match_obj._match_email(
                 {"email": email_normalize(defaults["email_from"])}
-            )
+            )[:1]
             if partner:
                 defaults["partner_id"] = partner.id
                 defaults["language"] = partner.lang

crm_request/models/res_partner_match.py

@@ -16,9 +16,11 @@ class ResPartnerMatch(models.AbstractModel):
     @api.model
     def _match_email(self, vals):
         # Redefine email rule to include aliases in search
+        # and exclude Compassion addresses
         email = vals["email"].strip()
         partner = self.env["res.partner"].search(
             [
+                ("email", "not like", "compassion"),
                 "|",
                 "|",
                 ("email", "=ilike", email),