Decoding?

[dbdataplus]

I was just curious if any could explain why, suddenly, my sendmail has become psychotic. Immediately after getting (and accepting) the MAIL FROM: command, it complains that it must have a MAIL command


System generated message - Please do not reply
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Delivery failure
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Your message has encountered delivery problems to the following recipients:
inventory@domain_name.com
Reason: SMTP Delivery to 192.168.0.2 : RSET
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A transcript of the session follows
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* Beginning processing of domain 192.168.0.2
* Attempting connection to 192.168.0.2<= 220 ESMTP spoken here
succeeded
=> HELO mserv1.domain_name.com
<= 250 domain_name.com Hello mserv1.domain_name.com
[192.168.0.230], pleased to meet you
=> MAIL FROM:<jerry@domain_name.com>
<= 250 IAA18666 Message accepted for delivery
=> RCPT TO:<inventory@domain_name.com>
<= 503 Need MAIL before RCPT
=> RSET
<= 250 <jerry@domain_name.com>... Sender ok