How To Configure Zimbra SPF to Check Incoming Emails? | Zimbra

SPF or Sender Policy Framework is an email authentication method that identifies which mail servers are allowed to send emails on behalf of your domain. I can forge an email header to...

How To Configure Zimbra SPF for Outgoing Emails? | Zimbra

SPF or Sender Policy Framework is an email authentication method that identifies which mail servers are allowed to send emails on behalf of your domain. I can forge an email header to...

How To Configure Zimbra DKIM to Check Incoming Emails? | Zimbra

DKIM or DomainKeys Identified Mail is an email authentication method that tries to identify email spoofing attempts (creation of email messages with a forged sender address). DKIM enables you as the receiver of the email to verify...

How To Configure Zimbra DKIM to Sign Outgoing Emails? | Zimbra

DKIM or DomainKeys Identified Mail is an email authentication method that tries to identify email spoofing attempts (creation of email messages with a forged sender address). DKIM enables you as the receiver of the email to verify...

Email Protection Routines | Zimbra

After installing Zimbra Collaboration Suite, there are some configurations you may want to set up in order to improve the security of sending emails to other email systems. Phishing and...

Installing DNS Server on CentOS/RHEL using dnsmasq | Zimbra

This article will show you how to install and configure a DNS server using dnsmasq on CentOS 7 / RHEL 7 / CentOS 8 / RHEL 8. This will be...