The best Spam filtering solutions are those that offer intelligent mail protection and filtering technique that blocks spam, viruses, malicious emails, and malware from breaching one’s email. Thus, they should be effective in delivering only the good mail and do away with spam before they get to the recipient.

Everyone has grown accustomed to the daily chore of weeding through the long list of spam messages in their inboxes. It seems like spam is there to stay since the ratio of spam to genuine content has increased drastically. Luckily, there are different solutions that offer the best email spam filter service; which filters emails that are inbound to the user’s mailbox and outgoing from the user’s server.

The inbound email filtering checks and filters the incoming emails for spam, malware, suspicious links, etc., and also organize the messages into different categories or folders.

The outbound scan the user’s outgoing emails and ensures that no spam, malicious content, or sensitive data makes it out of the server unauthorized. There are various spam filtering solutions available which are hardware-based spam filters, software-based spam filters, and cloud-based spam filters.

1. Hard-ware-based spam filters

This involves the purchase of a dedicated spam filtering appliance housed on-site. It’s chosen based on the number of domains and active email users; it will have a limited capacity since all the email traffic passes through it.

2. Soft-ware-based spam filters

This filter for business is a virtual appliance and should not require the purchase of any additional hardware as it can be installed on an existing machine.

3. Cloud-based spam filters

This offers the same features as physical and virtual appliances, thus without the need to purchase any hardware or install any software. It’s the more cost-efficient software solution and also the simplest one to deploy. It’s installed on-demand, has low maintenance costs and requires straightforward configuration.

All spam filtering takes place in the cloud. Cloud spam filter pricing varies considerably as their effectiveness at detecting spam email, their versatility, and their compatibility with existing operating systems and network defenses. While on-premise filtering solutions offer better control, cloud solutions are better in case of storage issues. Also, although the software is in the cloud, the user gets total control over their filtering options.

Despite these solutions being costly, there are free email server spam filter solutions available. These are also the most efficient in providing precise email spam filter services.

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Below are the two most effective spam filtering solutions:

1. Anti-spam mail solutions

Offered free by various servers for single email accounts that receive less than 1,000 spam messages a week. For users or businesses with multiple accounts or who have more spam than the free levels, one can pay for a premium account. The email anti-spam solution offers email storage on their servers.

They download the emails before they get to the recipient and sort them into “Pending” and “Spam” folders. One can then view everything in the folders before anti-spam mail delivers the good mail into the system. On some servers;

• one can use CAPTCHA to verify senders,
• set up a white-list for individual emails or entire domains,
• customize verification emails,
• download lists that include a certain duration (for example 1 week) spam, and more.

Most of the servers offering anti-spam mail solutions work with the majority of the popular email servers. Some offer to pay for any spam-content intrusion in one’s inbox.

They also create email addresses with “keys” and only emails sent with a known key are allowed in. One can create keys to use with online retailers, friends, and so on. Their costs are also extremely low.

2. Server-side spam filtering solutions

For enterprises and ISPs, the client-side filter does nothing to relieve the network traffic or reduce the resources needed to process email. To positively impact a company’s infrastructure costs, an anti-spam solution is crucial so as to stop spam before it enters the enterprise. The solution attempts to reduce the rate of false positives. This makes sure that email gets to the folder it truly belongs using spam detection engines. According to one’s choice of email anti-spam solutions, the server-side offer a plethora of blacklist and whitelist. And thus, are mostly directed to business and corporate users.

They test each email for origination, routing, construction, communication, and content, and then assign it a score based on the results. Failing the test means the email is off to the spam folder. Some servers offering this solution provide a versatile spam filtering system placed anywhere in the email stream to do its job. Thus,

• it can work with a great number of email setups,
• generates analytics to show how many emails it is stopping,
• how many users are on the system and much more.

Enterprise spam filtering reviews and ratings

The best way for you to know the features, advantages, and disadvantages of the various email spam filter service available in the market is from their current and past users. There are also independent reputed reviewers who present enterprise spam filter reviews and ratings. After going through the review and ratings, you should examine each company’s website to determine any client and/or industry focus and to get an initial overview of the services they offer. This should involve a deeper exploration into the types of solutions they offer, their approach, and their problem-solving skills.

It’s always useful to make use of these resources. Researching is also recommended so as to get the best shot at selecting the most efficient, tried-and-tested spam filtering solutions.

Final words On spam filtering solutions

As spam threats are always changing, it’s recommended to select the best spam filtering solutions. These should detect any new types of malware and virus, and stop them from causing devastating effects; from compromising data to bringing down an entire network and its servers. A superior email spam filter service will always be up-to-date, informed by the latest threat intelligence, and refined by experts to recognize and prevent more spam messages from reaching one’s system.