Send the following on WhatsApp
Continue to ChatRemote_smtp defer (-53): retry time not reached for any host https://blog.hostripples.com/remote_smtp-defer-53-retry-time-not-reached-for-any-host/
Remote_smtp defer (-53): retry time not reached for any host https://blog.hostripples.com/remote_smtp-defer-53-retry-time-not-reached-for-any-host/