On its mail servers, VEVIDA uses a variety of techniques to combat spam. Blocking IP addresses, domains and/or email addresses of known spammers and spam supporters is part of this strategy. A summary is given below.
An MX (Mail eXchanger) record is used to determine which mail server(s) are responsible for handling a domain’s email. A mail server uses the DNS system to query which mail server(s) are responsible for a domain. Next, the email is sent to these mail server(s).
Emails are made of (2) parts: the header and the body. The complete headers are useful when trying to figure out where a spam or virus email came from. They contain information on the sender, as well as the channels via which the email arrived.
A blacklist is a list of IP-addresses which are known to sent unsollicited email, like spam email. If your IP-address is listed on the Vevida blacklist, it is not possible to send emails to our clients. You’re message will be bounced from our mailservers, and you receive a notification.
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