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Saturday, August 27, 2011

SMTP Error Codes & SMTP Status Codes & SMTP Reply Codes R eference 2010

What is “SMTP Error” ? What does it mean ? There comes a time in the life of a
Computer Consultant where, one day, he/she will have to deal with email server problems. It
is inevitable. Sometimes these problems will be with the interfacing of the mail server with the
ISP, in particular an inability to send mail. After checking the usual suspects such as lack of
connection (your broadband line is dead), faulty router, firewall problems, DNS problems, or
an incorrect SMTP server name (thanks to some clever ISP changing its SMTP server name
without informing anyone – it happens!!), you will likely start delving a little deeper by checking
if your email server reports any errors.

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