Help... 503 Valid RCPT TO must precede DATA / Packet Loss

Whenever I or any of my clients try to send OUTGOING e-mail (that is, not to one another on the server), this error is given:

503 Valid RCPT TO <recipient> must precede DATA

Anyone know any fixes? This happens when using Outlook, for example, but does not happen when using e-mail.

Also, there has been an increase in packet loss recently. Anyone know any way to fix that? Thanks.

- Jeremy

 

 

 

 

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