Sunday, January 19, 2020

Part 4: Set Up SPF and DKIM with Postfix on CentOS/RHEL Mail Server

After completing part 1 and part 2, we have a working Postfix SMTP server and Dovecot IMAP server. We can send and receive email using a desktop email client. Although I have created correct MX, A and PTR record, my emails were flagged as spam by Gmail and Outlook mail. So in this part, we…


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Part 4: Set Up SPF and DKIM with Postfix on CentOS/RHEL Mail Server

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