Description This article describes that an external email sender can
request a read-read receipt in an email, prompting the protected
recipient's e-mail client to send a receipt or in the case of some mail
clients send it automatically. When sending ...
Description This article explains how to disable SMTP AUTH for IP
addresses with a reputation for spam. The SMTP authentication option may
create large volumes of activity logs due to spammers using automation
to guess passwords or otherwise breach s...
Description This article explains how to detect QR-coded URL categories
in the body of an email. Scope Fortimail V7.2. Solution QR codes can be
scanned to direct users to websites associated with the codes. It's
possible to enable QR code URL scannin...
Description This article describes how to successfully perform SPF check
on mails from protected domains, when using a private DNS. Scope All
FortiMail Solution When internal mail flow reaches the FortiMail from an
authorized public IP address and th...
Description The article describes how to use the DKIM key pair of a
parent domain and publish it on the DNS servers, in order to sign
outbound emails of associated domains. Scope All FortiMail Solution
Firstly, create a new DKIM key pair on FortiMail...
Hello roci, The 'Sender Alignment' filter performs a comparison check
between "Envelope Sender & Mail From" and "Mail From & Reply-To" headers
and triggers the corresponding action when there is a mismatch in either
one. It is generally not recommend...
Hi Scott, From the FML side, you can use the 'Authentication Reputation'
feature in order to detect the unwanted IPs trying to authenticate and
temporarily block them. The 'Mail' option applies to this type of
authentication attempts, so make sure it...
Hello Firdausi, Usually, this log would indicate an issue with the DKIM
public key or modifications in the message body. However, the 'DKIM
Check Failed' log is not visible in the screen shot. It would be best to
raise a TAC case for this issue, as w...
Dear @admin_kshb, As you mentioned, the mail is sent from a computer in
your network and the client IP in the logs is "10.99.1.106". - In this
case, the SPF will be skipped since the email is coming from a private
IP address.No SPF check is performed...
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