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") enabled in your email program. This has always been a requirement, but has recently started being strictly enforced. You may have previously been able to send without it.
IMPORTANT: SMTP authentication is NOT the same as SSL (Secure Sockets Layer), or SPA (Secure Password Authentication). Neither of those settings should be enabled. If you currently have a 'login' of the form user+domain.com set, change that to user@domain.com, or, if your email program won't allow you to set a login containing a "@", use user%domain.com
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.
Review:
1. 'SMTP Authentication' must be enabled (but *NOT* "Use Secure Password Authentication")
2. Do *not* use a "+" in your username/login - if you have one replace it with @ or %
3. Use port 587 for SMTP instead of port 25 (Do not change POP - leave it set at 110)
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