Question: How can I prevent my company's email system from being used to send spam emails?

To keep your company's email system from being used to send spam emails, there are a number of email security options. SpamTitan is notable for its breadth of features, including AI-based phishing protection, dual anti-virus scanning and a 99.9% spam catch rate. It's designed to be easy to deploy and manage, which is good for small and medium-sized businesses.

Another top contender is Agari, which has a suite of cybersecurity tools based on machine learning models to protect cloud, on-premise and hybrid email environments. Its tools include email protection, suspicious email analysis, security awareness training, DMARC protection and a secure email gateway. That's a lot of protection, and it can be used in a variety of ways.

Trustifi is a cloud-based email security service that uses machine learning and AI to block phishing, malware and other email attacks. It protects incoming and outgoing email, archives it securely, offers email security awareness training and offers managed detection and response. It's designed to be easy to deploy and manage, and it's good for companies of any size.

Last is Vade, an AI-based email security service that protects more than 1.4 billion mailboxes. It's got a range of cybersecurity tools for MSPs, SMBs and ISPs, including anti-phishing, anti-malware and ransomware protection. It integrates with Microsoft 365 and offers multi-tenant email security scaling, so you can protect your customers' email no matter where they are.