Can someone send an email using a public IP?

Can someone send an email using a public IP?

Yes, they can send the email using a public IP if you have no DMARC record or the DMARC record is set to p=none.
    • Related Articles

    • IP Blacklist and Threat Reputation

      A blacklist refers to a collection of IP addresses that are believed to send spam messages. Emails sent from these IP addresses are either redirected to the recipient's spam folder or blocked and bounced back. KDMARC monitors your domain’s entire ...
    • What Is SPF And Why It Is Essential For Email Domain?

      What is an SPF record? Sender Policy Framework or SPF record is a type of email authentication strategy that identifies whether the emails that proclaim to be sent from an IP address are actually approved by the administrators of that domain. The ...
    • How to Improve Email Configurations?

      Improving your domain’s email configuration is really important for not only protecting it against spoofing and forgery but also boosting its email deliverability rate. KDMARC is an analytical tool that helps you secure and monitors your domain. It ...
    • We don't send marketing emails, so how is this of any use to us?

      Even if you don't send any marketing emails, hackers can misuse your email domain to send spoofed emails to your employees, partners and vendors. This tool can help you prevent such incidents.
    • Can We Setup DMARC Using SPF?

      Yes, you can set up DMARC without DKIM and even if you only have DMARC and SPF setup. In cases where the DKIM check fails, DMARC authentication is dependent on the SPF check and SPF identifier alignment, which works but is not that optimal. DMARC ...