Email security

How secure is your company-wide email server?

Malware, spam and phishing attacks. Why should you care? Your company’s reputation can easily be affected through malicious online activity. Without the proper protection in place, it’s no longer a matter of if you’ll get hacked- it's when.

Excedo provides the complete solution for email security.


DMARC is an email authentication system that protects your organisation's domain name from phishing, spoofing and other cyber attacks. DMARC builds on the e-mail verification technologies SPF and DKIM. By implementing  DMARC for your domain, your gain insights into how the domain is used. You also help recipients to understand which e-mails to trust and which ones to reject.

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Brand Indicators for Message Identification (BIMI) and Verified Mark Certificates (VMCs) supplement DMARC and unite IT security and your brand's identity. Email recipients see your logo in their email before they have opened it. This way, recipients can be confident that emails originate from you.

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Mailscreen Email Security delivers a cost-effective and easy-to-manage cybersecurity solution specifically designed for small and medium-sized businesses (SMBs). Mailscreen protects your organization from a range of advanced security threats by including benefits such as security awareness training, data loss prevention, email continuity, archiving and social media protection.

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What is email security?

Email security describes the procedures and techniques used for protecting email accounts, content, and communication against unauthorized access, loss or compromise. Email is often used to spread malware, spam and phishing attacks. Attackers use deceptive messages to entice recipients to part with sensitive information, open attachments or click on hyperlinks that install malware on the victim’s device. Email is also a common entry point for attackers looking to gain a foothold in an enterprise network and obtain valuable company data. Email encryption involves disguising the content of email messages to protect potentially sensitive information from being read by anyone other than intended recipients. Email encryption often includes authentication.

How secure is email?

Email was designed to be as open and accessible as possible. It allows people in organizations to communicate both internally and externally. The problem is that email security on its own is not reliable. Whether through spam campaigns, malware and phishing attacks, sophisticated targeted attacks, or business email compromise (BEC), attackers try to take advantage of this lack of security to carry out their actions. Since most organizations rely on email to do business, attackers exploit email to steal sensitive information.

Because email is an open format, it can be viewed by anyone who can intercept it. This is an issue when organizations send confidential or sensitive information through email. Attackers can easily read the contents of an email by intercepting it. Over the years, organizations have been increasing email security measures to make it harder for attackers to access sensitive or confidential information.

Email security best practices

1 - Implementing a secure email gateway:
An email gateway scans and processes all incoming and outgoing email. It ensures that threats are not allowed in. As attacks are increasingly sophisticated, standard security measures such as blocking known malicious attachments are no longer effective. The current solution is to deploy a secure email gateway that uses a multi-layered approach.

Mailscreen is the #1 service for this purpose.


2 - Automated email encryption:

This solution should be able to analyse all outbound email traffic to determine whether material is sensitive. If content is sensitive, it needs to be encrypted before it is emailed to the intended recipient. This will prevent attackers from viewing emails, even if they were to intercept them. 


3 - Implementing a DMARC policy for your domains

Ensuring that your domains are protected from abuse for outbound emails as well as increasing the email deliverability for your trusted sending sources. Without the implementation of DMARC policy you have no insight into how your domain names are used and potentially abused for outbound email purposes.

Prevent Spoofed Emails
Protect your Organisation´s Reputation
Boost Email Reach, Trust & Deliverability

4 - Display your logo for email sent to from you

With the implementation of BIMI together with DMARC and VMC you increase the email security by clearly showing the recipients that emails originate from you. As the recipient sees your logo in their email before they have opened it, they can be confident that the email is not fraudulent. 

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