SoftBank

E mail (i) Virus & Spam Filtering

Virus Filtering

Mail Server scans outgoing messages for viruses and removes them.

Infected E-mail (Receiving)
Mail Server removes viruses from incoming messages, leaving original message unchanged;
inserts a notice indicating removal of virus into the message.
If virus is not removable, Mail Server deletes infected portion of message; inserts a notice indicating removal of virus into the message.
Infected E-mail (Sending)
Mail Server will not forward virus-infected messages. If virus is detected, notification appears.

Spam Blocking

ID Reputation
Mail Server uses third-party resources to identify spammers and block their messages.
Spam Filter
Mail Server maintains spam database used to identify and subsequently block spam messages.
E-Mail Harvesters
Mail Server identifies sources that repeatedly attempt to send messages to non-existent addresses as spammers; blocks subsequent messages from these sources.
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