Deploy a mail server and add security DNS records

Task: The client requested to set up a mail server for their business, ensure the proper functioning of sending and receiving emails, and configure all necessary security records (SPF, DKIM, DMARC) to avoid emails landing in spam.

The work included:
— Deploying a mail server on a dedicated VPS.
— Setting up secure authentication and encryption using SSL/TLS.
— Configuring DNS records (SPF, DKIM, DMARC) to protect the domain from spoofing and enhance the reliability of sent emails.
— Conducting testing for compliance with mail service standards and checking that emails do not land in spam.
— Optimizing server settings for stable and reliable operation.
— Testing the server on the Mail-tester.com platform to achieve the highest rating in terms of mail settings and security.

Results:
— Successfully configured mail server that meets modern security standards.
— All client emails are reliably sent and delivered to recipients' inboxes without landing in spam.
— High level of protection against fraud and fake emails ensured through the implementation of SPF, DKIM, and DMARC.
— Improved domain reputation, contributing to the seamless operation of the mail system.