I will make full mail server with admin dashboard with webmail

A comprehensive, self-hosted mail server solution utilizing open-source software. Offers secure and dependable email hosting with simplified management. Key components include Postfix for SMTP (e-mail sending), Dovecot for IMAP/POP3 access and authentication, Roundcube for a modern, web-based e-mail client, and PostfixAdmin to administer domains, users, aliases and mailboxes with a convenient web-based interface. Security features utilize OpenDKIM for DKIM signing, SPF records for validating sending mail servers, and DMARC rules to prevent e-mail spoofing and phishing attempts and collect reporting information. The service supports multiple domains, secured with TLS encryption and compatible with common email clients both on desktop and mobile. Ideal for individuals, small businesses and large organizations who wish to manage and control their own e-mail services.