Error reading SMTP packet; response to RCPT TO command expected
807574Jul 3 2007 — edited Feb 10 2020Hi all, we have started experiencing problems on our mail environment (iPlanet Messaging Server 5.2 HotFix 2.09 (built Nov 18 2005)) re: sending mail to hotmail.
For many emails sent to hotmail, we are getting the following error:
Error reading SMTP packet; response to RCPT TO command expected
We are not experiencing any errors when sending to yahoo from our iMS5.2 environment. Nor are we experiencing any errors when we send mail from our Microsoft Exchange server to hotmail.
Does anyone have any ideas as to what might be the problem?
Thanks in advance,
Stewart