Denial-of-service attack (DOS)
An organized effort to disrupt email or Web service by sending more messages or traffic than a server can handle, shutting it down until the messages stop.
![](https://freshmail.pl/wp-content/uploads/2019/09/signup-banner-v1.png)
An organized effort to disrupt email or Web service by sending more messages or traffic than a server can handle, shutting it down until the messages stop.
Discover all the FreshMail features
Sign Up Free