Best 8 Tips for Protect Your Business Mail Server

Email stays a essential a part of enterprise communication. It’s a expert manner to speak with customers and enterprise partners. However, it typically consists of your organisation’s and customers’ touchy records.

Thus, cybercriminals take advantage of safety weaknesses to advantage records that may be used for malicious functions, inflicting big records, credibility, and economic losses for the organisation and its customers.

For this reason, a secured enterprise mail server is a need for corporations. Luckily, securing your enterprise electronic mail isn't continually a complex process.

Let’s check 8 smooth security features you could take to shield your enterprise’s mail server.

1. Choose a Secure Web Hosting

The first step is to get stable net web website hosting on your organisation’s internet site. A net web website hosting issuer shops all of your internet site files, inclusive of touchy records and purchaser records. Thus, ensure that the net host server is stable to save you records breaches.

Check if the net web website hosting carrier consists of an SSL certificate, malware scanning, and DDoS protection. 

2. Use Strong Passwords

The first layer of protection is the login credential, which incorporates the e-mail deal with and password. Cybercriminals can effortlessly attain an employee’s electronic mail deal with as a few can be used for corresponding with customers or displayed publicly at the organisation’s site.

What’s vital is protective the e-mail deal with with a robust password. Use a mixture of numbers, unique characters, uppercase, and lowercase letters to make it difficult to guess.

Try to make the password longer than 12 characters, too, as it’s less difficult to brute-pressure assault shorter and much less complex passwords.

To assist you with that, LastPass and 1Password offer password turbines to create a robust password with a complicated individual mixture. Their password garage offerings additionally make it smooth to securely save passwords, so that you don’t must consider all of your credentials. 

 

3. Inspect Message Headers

Inspecting the e-mail message header enables you display the real starting place of an electronic mail. This is specifically beneficial in case you get hold of a suspicious electronic mail.

The electronic mail header is continually hidden at the default view. That said, there are methods to look at them relying on the e-mail carrier you operate.

If you operate Gmail, click on the 3 dots at the right-hand aspect of the e-mail to open a menu. Choose Show Original, and also you ought to see this page:

 

First, take a look at whether or not the e-mail handed the Sender Policy Framework (SPF), Domain Keys Identification Mail (DKIM), and Domain-primarily based totally Message Authentication, Reporting, and Conformance (DMARC) authentication tests to make sure that the e-mail wasn’t spoofed.

Now which you have the message header, replica it and use a message header analyzer to music the starting place and sender of the e-mail.

4. Avoid Clicking or Downloading Email Attachments

One of the maximum not unusual place cyberattacks makes use of phishing emails. Fraudsters hide phishing emails as valid messages, saying, for example, that there’s an problem together along with your account and you need to click on a hyperlink to remedy it or down load the attachments.

If they effectively entice sufferers to offer their credentials or set up malicious software program, they'll advantage get admission to to the sufferers’ financial institution accounts, social media accounts, and emails.

The exceptional protection towards phishing assaults is in reality now no longer responding to any of those emails: don’t click on any hyperlinks, down load attachments, or respond to the e-mail. That said, spotting that the e-mail is a phishing strive may be challenging.

Thus, continually double-take a look at your emails earlier than taking any action. Contact the organization the attackers fake to be via different channels or ask your colleagues in the event that they acquired the equal electronic mail. In addition, use junk mail filters or safety software program which could pick out capability threats and record them to the organization's cybersecurity team.

5. Use End-to-End Encryption

Most electronic mail offerings use TLS safety with the aid of using default. However, this safety degree most effective encrypts the e-mail content material from the sender to the mail server. Once it reaches the recipient’s mail server, the records is not encrypted.

Encryption requirements which includes PGP encryption and S/MIME shield the e-mail’s confidentiality with the aid of using encrypting the e-mail stop-to-stop, making sure that most effective the sender and receiver can study the e-mail.

On Gmail, S/MIME encryption is most effective to be had on Google Workspace paid plans. That said, there are third-celebration extensions which could permit S/MIME encryption, which includes FlowCrypt and PreVeil. Alternatively, choose an electronic mail carrier like Proton Mail and Mailfence, which comes with stop-to-stop encryption with the aid of using default.

6. Verify User Account

If your enterprise lets in customers to enroll in enterprise offerings or electronic mail advertising and marketing functions, take a look at if the registered electronic mail addresses are valid. There are numerous motives why verifying a consumer account’s electronic mail is vital, however one is to keep away from junk mail traps.

Internet Service Providers (ISPs) and electronic mail blacklist carriers use invalid electronic mail addresses to entice spammers. If you've got got those electronic mail addresses for your listing and don’t affirm them, it'll boom your leap quotes and have an effect on electronic mail deliverability. As a result, your sender rating will suffer, and also you threat being recognized as a spammer.

To keep away from that, there are numerous on line gear verifying electronic mail addresses. Free on line electronic mail checkers permit you to affirm electronic mail addresses one with the aid of using one, at the same time as paid offerings which includes Hunter offer bulk verification.

 

7. Configure Mail Relay Options

Simple Mail Transfer Protocol (SMTP) relay or electronic mail relay lets in emails to be transferred from one server to the different. This carrier helps you to ship bulk messages for advertising and marketing functions or transactional emails which includes price receipts or password resets.

However, open mail relays, which can be misconfigured SMTP servers, allow unauthorized human beings use your mail server to ship emails. Cybercriminals can then hook up with the server and ship junk mail emails.

To save you that, installation your mail server to permit most effective particular IP addresses or domain names to apply the mail relay.

8. Enable Two-Factor Authentication

Two-aspect authentication is an extra safety layer utilized in login processes. Essentially, it calls for the consumer to enter a completely unique variety or different records to finish the login process.

Thus, despite the fact that cybercriminals have your login credentials, they can’t log in due to the fact they lack the greater records had to authenticate the login process.

Enabling two-aspect authentication typically calls for a third-celebration app which includes Google Authenticator. That said, take a look at whether or not the mail server helps the selected two-aspect authentication technique withinside the first place.

Conclusion

Mail servers are an appealing goal for cyberattackers, as emails are a famous manner to speak and change touchy records amongst enterprise partners. That’s why putting in security features is essential to hold your mail server safe.

Fortunately, protective your enterprise’s mail server doesn’t must be steeply-priced and time-consuming. To recap, right here are the stairs to do so:

• Pick a stable net web website hosting
• Use robust passwords
• Inspect message headers
• Avoid clicking hyperlinks or downloading electronic mail attachments
• Use stop-to-stop encryption
• Verify consumer account
• Configure mail relay options
• Enable two-aspect authentication

By imposing those 8 easy measures, your mail server is a step safer.