Working of filtered email hosting

Many web-hosting companies such as hostgator web hosting and bluehost web hosting are now offering filtered email hosting to protect their clients’s emails from spams and viruses. Spam is a big problem with emails and they refer to malicious emails coming from unknown senders. When these are opened, they may contain unwanted contents and they may contain other adware and spyware that are undesirable. Viruses are creating huge problems these days and 90% of the viruses are spreading through emails. Sometimes, they come from known senders but they contain hazardous programs that harm the computer.

Many big companies like Google, Microsoft and Yahoo are offering free email services but they don’t provide filtered email hosting services for free. Though they have some options for filtering the incoming emails, they are not suitable for business purposes. When you host a website, you will be given email hosting services but you have to take care of the security issues with the emails that are coming in from malicious senders.

Many companies that run a huge business use their own email servers for hosting and they can deploy their own security features too. If you run a small business, you can go for providers who provide filtered email hosting services to protect your inbox from unwanted emails. These providers host your business email accounts for a monthly or annual charge and they ensure that your mail-box is free of spam mails and viruses. Using these filtered email hosting services, you can protect your inbox from unwanted and hazardous mails.

Filtered email hosting services can check for contents in the email and block them. You can specify a word phrase and all your incoming emails will be searched for the specified word phrase in the subject or in the body and if a match is found, they are blocked. To avoid viruses, you can also instruct the email hosting service to block the emails with some specific file extensions. You can also send an automated message to the sender.

Spam and open relay ip addresses are stored in the internet database and you can use this feature to prevent spam mails. The filtered email hosting service will check for the ip address of the incoming address. If it is found in the spam ip address database, then those mails are blocked. With this feature, spams are prevented from known open relays.

Some filtered email hosting services track the ip address of the incoming emails. If the ip address does not reverse at all, then the mail will not be delivered to the inbox. You can also deny the mails from specific ip addresses using this feature. Apart from this, the email server will initiate DNS lookup of the domain from which the email emerged. If the domain does not exist, then that email will be rejected. This will greatly reduce security threat in the form of mails as most spams come from unknown domains that do not exist. The filtered email-hosting servers will maintain the log of the emails that are rejected so that you can check them at any time, you can read the mails if you are sure that they are not spams.

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