Setup SMTP Authentication with TLS/SSL on Postfix

Install Postfix and Cyrus-SASL Packages: yum remove sendmail -y yum install cyrus-sasl cyrus-sasl-devel cyrus-sasl-gssapi cyrus-sasl-md5 cyrus-sasl-plain -y ``` <p> **Configure SASL in Postfix** ```language-bash postconf -e "smtpd_sasl_local_domain =" postconf -e "smtpd_sasl_

Implement DKIM with Postfix on CentOS

What is DomainKeys (DKIM) ? "DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain is authorized by that

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