On 10/03/2010 07:28 AM, Chamara Withanachchi wrote:
I'm using Scott Klement's email sending Program (SMTPR4) but from today I'm
getting bellow message 503 - Invalid reply code to RCPT command. can someone
help me on this.

503 is a sequence error ... which means you are trying to send a command out of sequence. I've seen this error occur mostly when you get a "user does not exist" error and still try to send a message.

Check to see if there are any other errors that might have occurred earlier in the conversation.

david


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