Fix importing contacts with no email address (#8227)

CHANGELOG.md

@@ -23,6 +23,7 @@
 - Password: Verify current password with IMAP (#8142)
 - Password: Improve handling errors on executed commands (#8200)
 - Fix locked SQLite database for the CLI tools (#8035)
+- Fix importing contacts with no email address (#8227)
 
 ## Release 1.5.0
 

program/actions/contacts/import.php

@@ -196,8 +196,11 @@ class rcmail_action_contacts_import extends rcmail_action_contacts_index
                     }
 
                     // We're using UTF8 internally
-                    $email = $vcard->email[0];
-                    $email = rcube_utils::idn_to_utf8($email);
+                    $email = null;
+                    if (isset($vcard->email[0])) {
+                        $email = $vcard->email[0];
+                        $email = rcube_utils::idn_to_utf8($email);
+                    }
 
                     if (!$replace) {
                         $existing = null;

program/lib/Roundcube/rcube_contacts.php

@@ -809,6 +809,8 @@ class rcube_contacts extends rcube_addressbook
         // save all e-mails in the database column
         if (!empty($vcard->email)) {
             $out['email'] = implode(self::SEPARATOR, $vcard->email);
+        } else {
+            $out['email'] = isset($save_data['email']) ? $save_data['email'] : '';
         }
 
         // join words for fulltext search