New enhanced ESMTP Status/Error Codes and descriptions defined by RFC Protocol
ESMTP Status Error Codes Command Group
for data receive reply codes
System status or system help reply
<domain> Service ready
A help message for human reader follows.
(Information on how to use the receiver or the meaning of a particular non-standard command)
Confirming the connection to your ISP mail server.
<domain> Service closing transmission channel
To stop sending email after a QUIT signal is send to your ISP mail server.
250 Requested mail action
Your ISP mail server have successfully executes a command and the DNS is reporting a positive delivery.
User not local, will
forward to <forward-path>
Your message to a specified email address is not local to the mail server, but it will accept and forward the message to a different recipient email address.
Download in .TXT file format Request for Comment (RFC)
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