If you have recently started having trouble sending email from your account hosted with us:
1. Make sure you have "SMTP authentication" (sometimes called "my server requires authentication") disabled in your email program.
2. Most ISPs are now blocking Port 25. Most email programs are automatically setup with Port 25 set as the default. If you are unable to send email, and get an error related to 'unable to connect', change the default Port 25 to Port 587 in your email program. If you are unsure how to do that, consult the documentation and technical support guides for your email program.
These settings apply if you are using either your domain 'YOUR_DOMAIN_NAME.com' or 'mail.YOUR_DOMAIN_NAME.COM' as your Outgoing/SMTP server. If you use a server provided by your ISP, contact them for assistance sending email.
3- Try to use username@domainname.com instead of username as the email username.
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