My Junk folder from ITSecurityNews.info is currently flooded with “Delivery Status Notification” from various servers, all with the same content.
Various servers, same content, in Russian:
The email goes indeed from a non existent email address of my domain to some server that refuses it for various reasons.
What can you do?
- Block the spam: Fortunately, Google detects this mail as spam and blocks it.
Unfortunately, this is pretty much everything you can do.
2) Don’t use a catch-all email address
The reason for which my Gmail account was receiving this amount of emails was because it was set up as the catch-all account. Basically, anything that can’t be delivered to somebody at your domain will be sent automatically to the catch-all address. Now, these emails will go do the one that sent them. 🙂
What else ?
There is nothing else that can be configured or set up to prevent anyone to use your email address or domain in the FROM or REPLY TO fields in spam messages.
Basically, this is a Distributed Denial of Service (DDOS) again my domain.
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