There are two schools of thought when it comes to accepting emails sent to invalid addresses in an SMTP server:
Reject the message without accepting it
Accept an incoming message and then generate an NDR (non-delivery report)
Follow these steps to run your own email server in 10 minutes.
Step 1: Domain Name
Get a domain name for yourself or your business. This can be done by visiting http://godaddy.com ( or another registrar of your choice). We will assume that your domain n
The non-delivery report (NDR) is generated when an email message is not able to be sent to the next hop.
Spammers can use NDR as a method to generate spam towards victims by using the victim's email address as the sender. This is called a reverse NDR Att
Microsoft Exchange is a well-known mail, calendar, and groupware program that is used for businesses all around the world.
Exchange allows administrators to achieve better productivity by simplifying tasks such as sending email messages, calendaring, p