diff --git a/mailrc b/mailrc
index 69760d6..fe0f073 100644
--- a/mailrc
+++ b/mailrc
@@ -15,3 +15,16 @@ account starttls_example {
   set tls-verify=ignore
   set v15-compat=1
 }
+
+# app passwords generated by mailbox.org break on s-nail URI encoding checks
+# use hard quotes '...' around password as ";" in it breaks s-nail parsing
+account mailbox {
+  set v15-compat=y
+  set ttycharset=utf-8
+  set smtp-auth=login
+  set from=username@mailbox.org
+  set user=username@mailbox.org
+  set password='generated app password'
+  set mta=smtps://smtp.mailbox.org:465
+  set tls-verify=ignore
+}