Error 501 HELO When Sending E-mail

Quick Contents

Introduction

• You have invalid characters, spaces, or no entry at all in either the Host: or Domain: field on the TCP/IP Properties window in your Windows Network setup.

• Error 501 HELO
• Error 501 HELO Requires Domain Name
• Error 501 HELO Invalid Domain Name

How to Correct Error 501 in Windows 95/98/ME

1. Click Start | Settings | Control Panel | Network.
2. On the Configuration tab under The following network components are installed: box, click TCP/IP -> Dial-Up Adapter. Next, click Properties.
   • Note: You may receive the TCP/IP Properties Information window, click OK to continue.
3. Click on the DNS Configuration tab. Click on the radio button next to Enable DNS.
4. In the Host: field, type in your account name for your ISP.
   • Note: Your account name is usually your user name. For example, if your e-mail address is
     johndoe@domain.com
     type
     johndoe
     next to the Host: field.
5. In the Domain: field, type in your ISP's domain name.
   • Note: If your e-mail address is
     johndoe@domain.com
     type
     domain.com
     next to the Domain: field.
6. Click OK to save the changes you made to the TCP/IP -> Dial-Up Adapter configuration. Click OK to close the Network window.
7. Windows may prompt you to restart the computer.

1. Click Start | Settings | Control Panel | Network.
2. In the Network window, click the Protocols tab.
3. Double-click TCP/IP Protocol. Next, click the DNS tab.
4. In the Host Name: field, type in your account name for your ISP.
   • Note: Your account name is usually your user name. For example, if your e-mail address is
     johndoe@domain.com
     type
     johndoe
     next to the Host Name: field.
5. In the Domain: field, type in your ISP's domain name.
   • Note: If your e-mail address is
     johndoe@domain.com
     type
     domain.com
     next to the Domain: field.
6. Click OK to save the changes you made to the TCP/IP Protocol configuration. Click OK to close the Network window.
7. Windows NT may prompt you to restart the computer.