Hello everyone,I'm currently experiencing an issue with FortiMail
displaying the following error message "Deferred 454 4.7.0 TLS handshake
failed"Here’s what I’ve checked so far:- The certificate is still
valid.- TLS is set to "preferred" for outgoin...
Hello everyone, I recently came across information saying that Fortinet
has introduced a new feature allowing HA to be configured with only one
licensed device, rather than requiring licenses for both units in the HA
pair. From what I’ve gathered, th...
Morning everyone, I'm experiencing a delay with outgoing emails and
would like to know if there are any additional troubleshooting steps I
might have missed. Thanks in advancedKind regards,
Hello everyone, When generating a DKIM key for multiple FortiMail
appliances across different sites, should a unique key be generated for
each FortiMail, or can a single key be used for all of them? If it's the
second case, how would the other FortiM...
Hello everyone, I would like to know whether it is possible to generate
and create a certificate on FortiMail for internal use for
administrators only (ex : internal.example.net). If so, could anyone
provide guidance on the process? Thanks in advance...
Hello filiaks1, Thank you for your input. I fully understand that issues
are not resolved without a clear cause, which makes this case even more
confusing. I am continuing to troubleshoot and suspect it was a
connectivity-related issue, but further i...
Hello smkml, Thank you for the suggestion. However, I don't believe the
issue is related to the SSL certificates of the next MTA. We are sending
emails to multiple different destinations, and it's unlikely that all of
those external servers are exper...
Hello AEK, Yes I’ve reviewed everything and identified the issue. It
appears to be a networking related problem, the communication between
the mail server and FortiMail. Specifically, the mail server is sending
RST packets to FortiMail during the thr...
