12 Best Email Monitoring Software

Email presents a security weakness. Attachments can contain malware and phishing scams can trick employees into disclosing passwords. Hackers are becoming increasingly sophisticated in getting into business networks through email, so you need to lock down that security weakness.

Email monitoring software has developed in pace with threats, so now there are some very sophisticated email protection systems on the market. Failure to monitor email can lose your company data protection standards accreditation and that can be a threat to winning new business. So, this is a serious issue that needs to be addressed.

Here is our list of the best email monitoring software:

  1. SolarWinds Mail Assure Cloud-based email security and archiving security available from the company’s MSP division.
  2. Teramind Email Monitoring Part of the Teramind user monitoring suite of services, this tool monitors both incoming and outgoing emails for malicious activity.
  3. Mimecast Secure Email Gateway This cloud-based email protection system roots out malware and phishing attempts.
  4. Proofpoint Essentials Online security system aimed at SMB. Protects email and social media accounts.
  5. SolarWinds Spam Experts Aimed at ISPs and web hosting companies, this on-premises software adds an extra security service to clients.
  6. Topsec Email Security Blocks spam, viruses, malware, and ransomware, identifies phishing, and quarantines questionable email content.
  7. Barracuda Email Security Gateway A hardware-based email that blocks incoming threats and outgoing data theft attempts. A cloud-based version is also available.
  8. Zerospam A cloud anti-spam system that filters out phishing and malware attempts.
  9. SpamTitan Online service that blocks spam, malicious links, phishing, malware, and spyware.
  10. modusCloud Cloud-based protection for Microsoft Outlook and Office 365. Includes archiving and email encryption as well as spam, phishing, malware, and link filtering.
  11. Hornetsecurity Spam and Malware Protection An online email filter that blocks spam and malware.
  12. Sophos Email Security Cloud-based email security solution that uses AI to block phishing attempts as well as spam and malware.

The number of email monitoring systems available has exploded in recent years, so it can take a lot of time to research the industry to find the right solution for your business. We have cut down the time that the task will take you by identifying the best email security monitoring tools available today.

The best email monitoring software

All of these solutions are cloud-based while a couple also offers an appliance-resident alternative. You can read more about each of these options in the following sections.

 1. SolarWinds Mail Assure

SolarWinds has two email security solutions on our list. The first is a cloud-based service offered by the SolarWinds MSP division. Mail Assure is marketed as a service that MSPs can add on as an extra income stream to offer to clients, but there is nothing stopping companies from subscribing to the service directly.

The email filtering service is complemented by an archiving facility. The company maintains a threat database from the experiences gleaned from serving all of its clients. The threat database is just one technique that Mail Assure uses to block threats. This analysis means that the system is able to detect phishing and impersonation attempts as well as root out malicious links, malware, spoofing, and spam. The system also examines outbound mail for data disclosure.

The SolarWinds Mail Assure is able to protect cloud-based mail servers, such as Office 365 as well as your own on-premises mail servers. The company is cagey about its prices and each potential customer needs to contact the sales team for a customized quote. However, you can get a 30-day free trial first to put the system to the test.

2. Teramind Email Monitoring

Teramind is an insider threat protection system that can be accessed as a cloud service or installed as on-premises software. The Teramind system is available in three editions: Starter, UAM, and DLP. The email monitoring system is included in the UAM and DLP packages.

As an employee monitoring system, this email threat detector is completely different from all of the other email protection services on this list. Rather than looking for spam and phishing, this system blocks disclosure. So, if a phishing email comes in, the response containing a password gets blocked rather than the original scam request.

The main focus of this email tool is to prevent data disclosure in outgoing emails. As an extra feature, not included with the other systems in this list, this service detects subterfuge and employee sabotage. The service can also measure response times of client-facing staff to incoming customer emails.

Both the on-premises software and the hosted service are priced on a subscription basis with charges levied per month per monitored endpoint. Bills can be paid monthly or annually. However, charges have to be paid in advance. Customers paying annually get two months for free. All cloud-based editions are available on 7-day free trials and Teramind’s on-premises software can be had on a 14-day free trial for any edition.

3. Mimecast Secure Email Gateway

The Mimecast Secure Email Gateway scans all incoming emails for malicious URLs, infected attachments and other malware intrusion tactics. It is also able to spot spam, phishing scams, and impersonators. Mimecast compiles a live threat intelligence database from records of previous attacks experienced by all of its customers and the gateway references this information source as it processes each incoming email.

The detection system used by Mimecast is a hybrid of many different scanning measures. The email filter uses pattern detection as well as threat intelligence. These autonomous detection methods aim at spotting zero-day attacks that have yet to be recorded in the threat intelligence database. Mimecast references DNS servers to authenticate the domains on the addresses in incoming emails against the IP address of origin. This enables the system to spot spoofing attempts and block the emails of those fake senders.

The Mimecast Secure Email Gateway is delivered on a Software-as-a-Service model, so you don’t need to install any software. While most of the services on this list are aimed at SMBs, Mimecast is definitely suitable for large organizations.

4. Proofpoint Essentials

Proofpoint Essentials is a complete email solution that includes archiving and social media protection as well as email filtering. This is a cloud-based service that is charged on a subscription model. This solution is aimed at small and middle-sized businesses.

Another bonus included in Proofpoint Essential is a continuity service. This provides a hosted replacement for your regular email service should your email server go down or get damaged. The email archiving service can store emails for up to 10 years.

Email protection includes a threat intelligence database, URL validation, spam protection, and malware filtering. The system can protect cloud-based email systems as well as on-premises mail servers.

You can get a 30-day free trial of Proofpoint Essentials, but you will have to meet a sales representative in order to get it. The company doesn’t reveal its prices online.

5. SolarWinds Spam Experts

Spam Experts is the second SolarWinds email protection system that we recommend. This has a completely different target market to Mail Assure. This email protection system is offered to ISPs and web hosts so that they can improve their services to their customers. Another incentive for hosting companies to implement this protection is that a malicious email on a hosted system could damage that network as well as the customer.

The email filtering procedures cover both inbound and outbound emails. Inbound emails are checked for spam, malware, and phishing content, while outbound emails are checked for data disclosure. Malicious threats are detected by reference to a central threat intelligence database that SolarWinds maintains by recording events encountered by its customers around the world. The package also includes an email archiving service.

The service is cloud-based, so there is no need to install any software. The pricing is kept private and is only disclosed per customer by a sales agent. You can get a no-obligation 30-day free trial of Spam Experts.

6. Topsec Email Security

Topsec Email Security is a web-based service that checks both inbound and outbound emails. Inbound emails are filtered to strip out malware and spam. Companies can also implement policies over email content, and block those that have illicit content from reaching their destinations. It also scans all attachments for malicious content.

As the Email Security system is an edge service, all of this activity takes place away from the network. Thus, the Topsec Email Security system reduces traffic on your own network and also lessens the load on your email server.

The reduction of spam also improves worker productivity because each employee spends less time scanning through spam emails.

Topsec offers a number of add-on services that will enhance your email system. These include mail archiving and a continuity service that will provide a secondary host for your mailboxes if your main email server goes down or gets damaged.

The Topsec price list is only available to potential customers who contact the sales office. However, it is possible to get a 30-day free trial of the system to try before buying.

7. Barracuda Email Security Gateway

Barracuda Email Security Gateway is a physical appliance that plugs into your network. The full service also involves remote elements provided by Barracuda, so this is a hybrid cloud/appliance solution.

The appliance gathers all of your inbound email traffic before it hits the network, so it is able to absorb DDoS attacks as well as blocking malicious emails. The email filtering system will strip out viruses, spam, phishing attempts, and infected attachments.

The service also includes email encryption for security and a stand-in email server in case your own mail server becomes unavailable. Outbound content checking looks for unwanted data disclosure to enable your business to stay in compliance with data protection standards.

If you don’t want to have to install a physical piece of equipment, you can opt to get the email security gateway as a virtual appliance or as software that you can run on your own virtual servers in AWS or Azure.

There is a hosted cloud-based version of this service, which is called Barracuda Essentials. Barracuda Networks makes the Email Security Gateway available on a free trial for evaluation.

8. Zerospam

Zerospam is a cloud-based email security system. The service acts as a front-end for your email server and also stands-in for it whenever it is unavailable. All incoming email first passes through Zerospam, which filters out spam, malware, and phishing attempts and absorbs DDoS attacks.

The Zerospam system also includes outbound email monitoring to block data disclosure and identify insider threats. The outbound email service will also encrypt emails that contain sensitive data.

Zerospam offers a 30-day free trial of the email protection system.

9. SpamTitan

SpamTitan is a product of TitanHQ. Its main activities block spam, malware, infected attachments, malicious links, and phishing attempts. The service also performs recipient verification and scanning of outbound emails to prevent data disclosure. The system deploys AI-based predictive technology to spot zero-day attacks without relying on a threat intelligence database.

The service is created through several different security tactics, which include the use of blacklists that automatically block emails that arrive from known hacker and scammer addresses. The system is able to spot spoofing and includes sandboxing to protect against advanced email attacks. The service can also be set to implement your company’s content policies, blocking emails that contain inappropriate text or images.

TitanHQ offers SpamTitan on a free trial.

10. modusCloud

Vircom offers a range of email security systems, including modusCloud, which is a cloud-based system. The company’s on-premises equivalent is called modusGate. The modusCloud system will block spam and also phishing attempts. It seeks out malware hidden within email and attachments and verifies links in emails to ensure that they do not lead to infected or fake web pages.

Other services from Vircom can be added to the modusCloud package to provide a full email protection service. These extra services include content filtering to enforce company policies. The cloud service can also provide continuity email servers in case your own server goes down. Another extra that can be added is an email archiving service. Email encryption for the transmission of sensitive data is another option.

11. Hornetsecurity Spam and Malware Protection

HornetSecurity’s Spam and Malware Protection is a cloud-based service. The company boasts the highest spam detection rate in the industry, filtering out 99.99 percent of all spam. Hornetsecurity points out that 50 percent of all the world’s emails are spam and so blocking these before they get to your network seriously reduces the traffic that it has to deal with, freeing up capacity for productive activity.

The email security service is also able to spot phishing attempts and block them. All email-borne malware whether in the email body, in images, or in attached documents. It will also detect links that lead to false or infected web pages. The service provides effective DDoS protection for your email servers.

Hornetsecurity ensures that the link between its cloud system and your home network cannot be interfered with or spied on by encrypting traffic in either direction. Spam and malware filters are also applied to outbound traffic.

12. Sophos Email Security

Sophos is one of the world’s leading cybersecurity companies and its Email Security product is very powerful. This protection system is available as an appliance, a virtual machine, or as a cloud service. The Email Security service controls both inbound and outbound emails. Inbound traffic gets checked for spam and viruses and outbound filters apply data loss prevention strategies.

While the appliance protects your on-premises email server, the cloud service can protect your own email server on-site and also cloud-based servers, such as Office 365. The service also includes email and/or attachment encryption and phishing defenses.

Sophos offers Email security on a 30-day free trial.

Choosing email monitoring software

Your decision to monitor your company’s email will be driven by a need for spam filtering, data loss protection, or both. Your security priorities will dictate which of these products suit you best. You might also consider whether an appliance would be of more interest to you or whether you think that you would prefer an edge service cloud solution.

The twelve options on our list of recommendations are all excellent email security services. Whichever you choose, getting protection from attack or data theft through email should be your priority.

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