Knowledgebase:
501 Too many syntax or protocol errors - Outlook / Outlook Express
Posted by Chris S., Last modified by Chris S. on 13 February 2014 11:46 AM

Issue Error Messages:
SMTP call from (workstation) [127.0.82.61] dropped: too many syntax or protocol errors (last command was "RCPT TO:

Task ‘Mailer – Sending’ reported error (0x800CCC0F) : ‘The connection to the server was interrupted. If this problem continues, contact your server administrator or ISP. The server responded: 501 Too many syntax or protocol errors’


Solution:
When sending emails using outlook you might receive the error above. It seems that when you copy & paste the email addresses into the To field, they include quotations around them that the server did not know how to handle (i.e. ‘name@website.com’ instead of just name@website.com).

Remove the quotations & then try sending emails.

(80 vote(s))
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Comments (2)
Jamie Bishop
21 July 2016 01:08 AM
The address book seems to add the quotation marks from ACT when I try to set up a group email... how do I stop it doing that pls?
sanjay bhatt
19 December 2016 07:06 AM
thanks .. it works
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