What is whitelisting and blacklisting and how does it work?
Whitelists are lists of email addresses you always want to receive email from. Email that you “whitelist” does not get tested for spam although it will be scanned for viruses. You might, for example, whitelist a company you conduct business with if you want to receive their regular advertisements and not worry about the Barracuda quarantining messages from them. Tip: It isn’t recommended to whitelist uwm.edu. While the Barracuda will give special consideration to email from UWM, spammers often use fake uwm.edu email addresses hoping to bypass spam filters. They won’t bypass our filters by faking their address, but they will bypass yours if you whitelist uwm.edu. Conversely, blacklists are lists of email addresses you never want to receive email from. Email that you “blacklist” is automatically blocked whether or not it is spam. On rare occasion, the Barracuda might not catch spam messages from a particular sender. In this case you could blacklist the email sender. Blacklisting is not a
Whitelists are lists of email addresses you always want to receive email from. Email that you “whitelist” does not get tested for spam although it will be scanned for viruses. You might, for example, whitelist a company you conduct business with if you want to receive their regular advertisements and not worry about the Barracuda quarantining messages from them. Tip: It isn’t recommended to whitelist palomar.edu. While the Barracuda will give special consideration to email from Palomar, spammers often use fake palomar.edu email addresses hoping to bypass spam filters. They won’t bypass our filters by faking their address, but they will bypass yours if you whitelist palomar.edu. Conversely, blacklists are lists of email addresses you never want to receive email from. Email that you “blacklist” is automatically blocked whether or not it is spam. On rare occasion, the firewall might not catch spam messages from a particular sender. In this case you could blacklist the email sender. Blackl
