If you're getting this error when sending out email. Please double check your email setting to...Mail Client Troubleshooting
If you having a problem to connect to your email using your mail client, Please follow the steps...Problem sending out email (streamyx users)
TMnet has announced that all email sent through streamyx broadband or TMnet dialup will have to...SMTP Alternative port
We understand that sometimes your network/ISP disallow you from connecting to your mail server...