diff --git a/src/mail.js b/src/mail.js
index aec8156c4..a0e29ed62 100644
--- a/src/mail.js
+++ b/src/mail.js
@@ -185,7 +185,9 @@ function validateDisplayName(name) {
 
     if (name.length < 1) return new BoxError(BoxError.BAD_FIELD, 'mailbox display name must be atleast 1 char');
     if (name.length >= 100) return new BoxError(BoxError.BAD_FIELD, 'mailbox display name too long');
-    if (/["<>@]/.test(name)) return new BoxError(BoxError.BAD_FIELD, 'mailbox display name is not valid');
+    // technically only ":" is disallowed it seems (https://www.rfc-editor.org/rfc/rfc5322#section-2.2)
+    // in https://www.rfc-editor.org/rfc/rfc2822.html, display-name is a "phrase"
+    if (/["<>)(,;\\@]:/.test(name)) return new BoxError(BoxError.BAD_FIELD, 'mailbox display name is not valid');
 
     return null;
 }