lib-storage: Refer to mail_driver setting in failed autodetection error

diff --git a/src/lib-storage/mail-storage.c b/src/lib-storage/mail-storage.c
index e5d47d4086fa00f7cd096cba38d44f86430217d5..ddf3fbd99bc7ba28425e4ae7f6e583e4ae2e7054 100644 (file)
--- a/src/lib-storage/mail-storage.c
+++ b/src/lib-storage/mail-storage.c
@@ -191,7 +191,8 @@ mail_storage_get_class(struct mail_namespace *ns, const char *driver,
        if (home == NULL || *home == '\0') home = "(not set)";
 
        *error_r = t_strdup_printf(
-               "Mail storage autodetection failed (home=%s, mail_path=%s)",
+               "Mail storage autodetection failed (home=%s, mail_path=%s) - "
+               "Set mail_driver explicitly",
                home, mail_set->mail_path);
        return NULL;
 }