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E-mail de spam e proteção contra vírus

O e-mail de spam expõe os sistemas a ataques de malware e phishing, além de ser uma distração dispendiosa para os funcionários.

A Rackspace calcula que 90% de todo o tráfego do e-mail seja spam, apesar da maioria deles não chegar à caixa de entrada. Milhões de dólares em produtividade empresarial e gastos extras em infraestrutura são normalmente perdidos por conta do spam. Para piorar as coisas, o e-mail está sendo utilizado para 'pescar' informações confidenciais e valiosas das empresas e enganar as pessoas convencendo-as a transferir dinheiro. Para se defender contra o e-mail de spam e o phishing, é necessário manter-se um passo à frente desta ameaça em constante evolução.

Spam and Virus Protection

Spam and virus filtering is handled in two stages: blocked email, and filtered email. Rackspace ensures you will never see those messages in your mailbox first by blocking. Any spam messages that cannot be blocked is detected by email filtering, which is used to identify spam and send directly to your spam folder. 

Email Blocking

Out anti-spam and anti-virus solutions use many industry best practice techniques to block email from known, nefarious sources. The email blocking process covers everything from compromised servers to ‘spam cannon’ services which send email spam across the internet. These blocking techniques include IP blocking lists provided by reputable email industry services and by blocking emails with known attachment types used to exploit peoples’ computers and devices.

Email Filtering

If mail circumvents our blocked email checks, advanced content filtering is applied to further detect spam. The content filtering process combines various techniques which analyze email structure and content, and create beacons that identify spam patterns in email. These beacons are integrated with leading email industry sources to collectively report spam, phishing, and viruses. This process results in an extremely effective spam detection and removal system that continually adapts to the every-changing sophistication of spammers.

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