Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

I know NCAS uses greylisting to prevent the delivery of spam to my INBOX, but what is greylisting?

April 26, 2017DELIVERY greylisting inbox ncas spam uses

0

Posted

I know NCAS uses greylisting to prevent the delivery of spam to my INBOX, but what is greylisting?

1 Answer

0

Posted

Greylisting has significantly reduced the amount of spam we receive. The initial time an unknown off-campus system attempts to send a message from an e-mail address to either Andromeda or Pegasus, we send a message asking them to resend the message. By spending the retry message any email…