Every active Internet user has experienced the problem of spam in the mailbox. For large companies, this problem is even more urgent. Due to the sea of spam that comes to their official mailboxes, you can often miss a profitable commercial offer, a response from a potential partner or a resume from a promising job seeker.
According to the most conservative estimates, the share of spam in the world's mail traffic exceeds half. Employees, receiving several business emails per day, delete several hundred spam emails from the mailbox daily. It takes several hours a month to fight spam. And an incorrect spam protection setting can lead to the fact that the folder "Spam» good letters can get in.
Mail server protection is needed against these types of attacks, protection tools servers:
- DDoS attack. A large stream of traffic or letters is sent to the mail server, as a result of which it ceases to cope with the work. An overloaded server can either be hacked or used as a diversion.
- Spam. Spam is unsolicited email. It comes in two forms: commercial and non-commercial. While commercial spam can actually be beneficial for a company, as it can lead to some interesting offers, non-commercial spam includes advertisements for dating sites, porn sites, Nigerian letters, pseudo-charity emails, political spam, chain letters, and viral spam. Spam filtering can be automatic or manual. Automatic filtering uses either spam filters or server, or email body analysis. With manual methods, the user manually defines stop words to filter out spam. These methods filter out 97% of spam, retaining only the newest and most inventive blocking methods.
- Phishing Trojan infection on your computer. This Trojan collects logins, passwords, bank card numbers of users and transfers them to third parties. Usually this is a letter with an attached program or a link to a malicious site. Unfortunately, 90% of companies do not pay due attention to this threat and do not update the software.
В SMTP mail server protection includes black and gray lists, analysis of attachments, headers, protection against collecting addresses. In addition to everything, a mass check algorithm is used, which is improved from year to year, instead of spam techniques. A good mail server security system is capable of processing hundreds of emails per second without a noticeable increase in network load.
In 90% of cases, it is through e-mail that viruses, keyloggers and trojans penetrate the computer network. Hosting company ProHoster offers to protect your corporate mailboxes from a sea of spam and viruses. We will check all incoming emails with a smart filter to reduce traffic.
All details can be obtained from our technical support. Contact us today – ensure reliable protection of your mailboxes.
