![]() Generally, black holing invalid email addresses is a good idea. ![]() Bouncing spam is sent back to the sender, which might also seem a good thing, except the sender is likely to be spoofed and the email bounced to an innocent person. However, it is rare a real person will make up an address to send you an email. ![]() The bounce at first glance may seem a good idea. Spam is sent to hundreds of words addresses assuming at least one will be delivered to a mailbox. Sometimes spammers do what is called a dictionary attack. The email is bounced, returned to sender as undeliverable.Ī catch-all can result in a lot of spam. If email comes in for the domain with an address that is not set up, something has to be done with the email.Ī catch-all is set up to forward all such email to a certain mailbox. Many email addresses may be set up for a domain. It is how we typically set up emails for our domains. Your hosting company may have a helpful control panel that does not require you to know that specific bit of technical information.Īll email without a valid email address can be black holed instead of bouncing. Typically, the email address is redirected to /dev/null instead of a regular email address. There are two ways to set up email black holes.Ī specific email address may be created and specifically assigned as a black hole. Save yourself a ton of spam by causing all mail sent to invalid emailĪddresses for your domain to be black holed.Įmail with a "black hole address". Any email sent to those addresses are ignored. The Why and How of Black Holed Email AddressesĮmail addresses can be black holed. ![]()
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