What is the difference between Inbound email security and outbound email security?

An inbound email is a message you receive from someone outside of your organization. This could be a message sent to one of your users, or it could be an email address that you've purchased and that someone tried to send an email to.

Outbound email, on the other hand, is any email sent from your organization. Inbound and outbound emails both have value: inbound messages can help you build relationships with new people who are interested in what you're doing; outbound messages can help you convert leads into sales!

Inbound Email Security 

Secure Email Gateways 

An email security gateway is a server that sits between your mail servers and the internet. It's designed to block spam, malware, and phishing attempts.

Email security gateways are usually host-based or cloud-based, meaning they can be installed on your own servers or accessed through the cloud via an API. Cloud-based systems make it easier to manage multiple gateways while keeping them updated with new threats as they surface.

Content Filtering

Content filtering works by identifying and blocking suspicious inbound emails before they reach your inbox. This means that you don't have to worry about opening them—the filter does all the work for you!

How does it work?

It uses a combination of methods to identify suspicious emails:

1. It looks at the sender's address and URL in an email's header information to see if it matches up with known malicious sources or not.

2. It checks for any files attached to the email, like attachments or links within text messages. If there are any potentially harmful files attached to an email, it will quarantine them until they've been reviewed by a human operator who can make sure they're safe before they get delivered to your inbox.

Firewall 

A firewall is a device that protects your computer from unauthorized access. A firewall can also prevent unwanted traffic from entering or leaving your network.

When you're using email, your network is vulnerable to attacks from outside sources that could be trying to gain access to your system and its data. Firewalls can protect you against this kind of attack by creating a barrier between the Internet and your local area network (LAN). They also help keep intruders out by preventing them from accessing the LAN by blocking ports used for specific services such as FTP or HTTP.

Antivirus scanning

Antivirus programs are software programs that scan computers for malware like viruses and spyware. These programs use a number of different techniques to identify these malicious files and remove them from your computer.

Email is the primary means of communication for many people and businesses. Email can be used to send sensitive information, and it is susceptible to security threats. Antivirus scanning is an effective way to protect your organization from malware and viruses that can be embedded in email attachments.

Outbound Email Security

Email Authentication

As we know, email authentication is a process of confirming the identity of the sender and the legitimacy of emailed messages. Email authentication plays a critical role in any email-based business. It helps users distinguish legitimate emails from spam and phishing emails and limits the potential risk of cyberattacks.

Email authentication solutions like DMARC are becoming a popular method of increasing deliverability and avoiding spam traps.

Email encryption

Encryption is the process of encoding a message in such a way that only authorized users have the ability to read it. The goal of email encryption is to make sure that your emails are safe from prying eyes and can only be read by those you trust.

The process of email encryption

When you send an email message, it goes through multiple steps in order to ensure that only the intended recipient can read it. The first step is called “encryption,” and it scrambles your message so that only someone who has access to the right key can decrypt it. 

The second step is called “decryption,” and it allows recipients to retrieve their original messages without having to go through encryption steps first—they just need to know where their keys are stored so they can retrieve their own messages from there.

Email encryption is important because it protects your personal information and helps prevent your email address from being abused. If someone wants to steal your personal information or harass you, they can use an email address like yours without worrying about getting caught.