imap: Add APPENDLIMIT capability if there is limit

diff --git a/src/imap/imap-client.c b/src/imap/imap-client.c
index bb20ea4e25194bc7ec93c363b57b0e32fb71640d..f09807fe847d8b8eb5da6aa39a255aac1339c36e 100644 (file)
--- a/src/imap/imap-client.c
+++ b/src/imap/imap-client.c
@@ -193,6 +193,12 @@ struct client *client_create(int fd_in, int fd_out,
                imap_write_capability(client->capability_string,
                                      &modified_set->imap_capability);
                settings_free(modified_set);
+               uoff_t max_size = mail_user_get_mail_max_size(client->user);
+               /* For safety reasons, we prohibit 0 */
+               if (max_size > 0 && max_size < UOFF_T_MAX) {
+                       str_printfa(client->capability_string, " APPENDLIMIT=%"PRIuUOFF_T,
+                                   max_size);
+               }
        }
 
        struct master_service_anvil_session anvil_session;