Exim syntax error

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

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.