PJR Sales and Service - Knowledgebase

Computer Co-op, CornerNET Internet Gateway, and PJR Solutions is owned by PJR Sales & Service. Quality products and online services since 1991. We can be your
Complete Computer Connection

Hosting @ $5.95

Domains @ $16.98

Home Page

Knowledgebase
You are here: Portal Home > Knowledgebase > Email Issues > Email sending issues > Error: Invalid HELO

Error: Invalid HELO

The message "invalid HELO command" means that the application you are using for sending mails does not comply with corresponding RFC standards.

This happens rarely and the only solution is to use another application for sending mails.

Add to Favourites
Print this Article

Also Read

The SMTP server is rejecting my password/login (Views: 8011)

Cannot send emails using Outlook (Views: 12099)

Cannot send emails using Outlook Express (Views: 45069)

Cannot send email using Eudora (Views: 7194)

Cannot send emails using Mozilla Thunderbird (Views: 17015)