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Hello,
Lately we receive mails with the below attachment. This is recognized as gzip and executable file and is therefore blocked by our mail filters.
.emz.wmz.mso
How to skip these filetype?
Thanks.
Hello,
Some of my users received a phishing email, the email looks like below.
From: my-domain.com <[email protected]>
Is there a way that we can filter the "From: my-domain.com"in the Content Filter?
Thanks.
Hello,
I've created self-signed certificate and has been signed by trusted CA, and I applied the Inbound and outbound TLS successfully.
Now, I want to copy the Private Key, but I don't know the location of the file. Can someone give me advise whe...
Hello,
My mail gateway has been found as partially open relay.
The proof of concept below
--begin
telnet mail.domain-x.com 25220 mail.domain-x.com ESMTPMAIL FROM: [email protected] sender <[email protected]> okRCPT TO: [email protected] ...
Hi Mathew, Thanks for your feedback.I am doing it at content filter level. I have many filters already applied, and the file-type block filter is in the first position. If the action is skip remaining content filters, the other filters will be skippe...
Hi,
I've implemented TLS in my Cisco ESA, by following the following link.
https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118844-technote-esa-00.html
I selected "Preferred"when configuring the TLS.
Everything is ...
Hi,
Thanks for your the explanation.
Another question. On that case, why ESA did allow the mail to be sent? I suppose there must be IP address checking, whether domain-y.com belongs to right DNS
Hi,
Thanks for your feedback. I've checked with my network team, they said this is not possible. Actually, not only telnet, we can also use nc tool.
nc mail.domain-x.com 25
I found an article below:
https://www.blackhillsinfosec.com/how-to-test...
Hi,
Thanks for the details explanation.
I've attached the outputs below. Could you please advise why the email sent from mail3.company.com always SoftFail in helo identity? Is it because there is no A record for the mail3.company.com?
Output of http...
