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How to Secure Your Email Server?
We know the importance of emails that move across your server might contain sensitive information. it’s vital to secure such sensitive personal information with robust security. it’s enclosed in current regulations that a server should to be secure enough to keep such private data protected against hackers and malware.
There are some simple steps that users can follow from their end to avoid such malicious attacks. Check the following steps to make sure your email server’s security.
Configure mail relay
It is vital to assemble your mail relay parameter to limit the communication with unknown sources. Nowadays most mail server comes with this selection, wherever you get an option to specify that domains or IP addresses your mail server can relay mail.
SMTP authentication
SMTP helps to stop open relay and abuse of your server. once it’s organized properly, only reliable accounts will use your servers SMTP to send or receive emails. This configuration is extremely suggested once your mail server includes a routed IP address.
Maintain local IP blacklists
Blacklisting your local IP adds further layer of security to your mail server. Also, it helps to speed up the method by stopping the unknown net connections from bothering your messaging system.
Encrypt POP3 and IMAP authentication
Initially POP3 and IMAP connections weren’t built with privacy and safety issues, that was inflicting issues of safety. Also, several users create weak passwords which may be predicted by hackers very simply. However the encryption of textual variety of password makes it much secure.
Activate Reverse DNS
A reverse search is additionally a motivating choice for fighting off unauthorized mail senders. Once Reverse DNS Lookup is activated, your SMTP verifies that the senders IP address matches each the host and domain names that were submitted by the SMTP consumer within the EHLO/HELO command.