Beginning in version 114 of cPanel, you can enable Two Factor Authentication from within the webmail interface of an email account in cPanel.
When using an external SMTP client such as Outlook to send an email, the sent mail is not saved into the account's "Sent" folder. They will not show up when looking at Webmail or through a different device.
Webmail Login Security - Security Policy Handling Failed
DKIM body hash verification failures are primarily caused by alterations to the email content after the DKIM signature has been applied. Security risks are Increased Vulnerability to Spoofing, Phishing and Spam Proliferation
