Hello community, Do you know is there any way to use Sophos Firewall Email protection in MTA mode for IPv6 SMTP/SMTPs traffic?

Hi, are SOFS and SG UTM affected by CVE-2023-51766 (Sender Spoofing by SMTP)?

Hello All, We have a situation where we have switched firewalls for incoming & outgoing mail from UTM to Sophos Firewall. We are using Exclaimer Signature Manager Exchange edition & are currently still in a Hybrid setup. For some reason, some outbound…

Hi all, we have changed for all our AD users the primary email address from <surename<@<domain>.de to <forename>.<surename>@<domain>.de No we have a big problem, that nearly no digest is send to the users. And if you take a look in the user portal…

Have already been referred here: https://doc.sophos.com/nsg/sophos-firewall/19.5/help/en-us/webhelp/onlinehelp/AdministratorHelp/Email/GeneralSettings/index.html#smtp-settings I wonder if any of you guys can share with me what and why your settings…

Hello everyone, I have the following question. We have a customer with an XGS 3100 with version 19.5.3. The Sophos serves as a mail gateway/relay and is connected to Sandstorm. Now the question was whether Sophos can also check web links within incoming…

Hello, as the shared mailboxes that we use almost exclusively cannot use the mail quarantine, we have not been using mail quarantine since the switch to SFOS. Recently, however, important messages have been ending up in quarantine again due to an allegedly…

I can only see "Reject" events in the GUI when going to Email -> Mail logs. I do not find them anywhere in any of the built-in logs and they are also not sent as audit logs. The other SMTP Anti-spam events "Dropped" and "Delivered" are both logged in…

Hello, We use 2 WAN interfaces but want to route the outgoing SMTP traffic via one interface. What would be the best approach here?

Hi, I am prepairing configuration to use XGS as MTA and I have some questions which I don't find answers to. Current situation: External MX and MAIL-out server are used, Exchange is set up locally. We have /24 public IPs on that site and only…

Good day, our Sophos XG330 acts as an MTA in our network. We have an on-premise Exchange server for whose domain we have created an SMTP policy in the Sophos email settings. This is working very well so far. Now we have to enable our users to integrate…

Hello, I delete the MTA SMTP default rule, cause it seems to do to much. How is this rule used? How do I get it back? MTA Switch to Legacy and back? Config stays at it is? Thanks Sven

We disabled legacy TLS protocols and some of the legacy vulnerability did get mitigated. But we still have TLS1.1 vulnerabilities as per our vulnerability assessment tool. Is Sophos planning on removing TLS1.1 support from SMTL TLS config setting? what…

We use Sophos Firewall as EMail Protection for incoming Mails. Firmware: SFOS 19.5.3 MR-3-Build652 SMTP deployment mode: Device acts as a Mail Transfer Agent (MTA) DKIM Settings: DKIM is set to accept, some mails will be quarantined by DKIM verification…

Hi Our Sophos XG acutally moves much mails to quarantine which are not spam. For me, it looks like most of them are sent by automated mailsystems (a lot of them are invoices from partners, sent automatically to our invoice-Mailbox) The big Problem…

One of our customers is encountering the following DKIM issue. Emails from two suppliers are consistently being quarantined due to DKIM verification. The selectors are as follows: s=strato-dkim-0003 c=relaxed/relaxed a=ed25519-sha256 b=512 s=strato…

Hello, Yesterday we have upgraded a Sophos XGs cluster to firmware 19.5.3 MR3-build652 and we noticed that one of the 2 nodes was greylisting e-mails coming from addresses that have e-mailed this organization in the past. Once we failed the nodes over…

I was having an issue getting an email to an address and discovered the address (which is actually an alias for another account) was failing on the Callout. I found that the alias had been deleted so I remade it. I'm still getting a failure on the…

I asked this question some 6 months ago, the thread is locked so I can no longer update it. Today I received a number of spam messages, which the XG has marked shown by the message in the mail message, but I get the same message added to genuine messages…

Why is this list unsorted? I suggest an alphabetical order. A list field implies being sorted in a way that you can easily find entries in that list or add missing ones.

Hi, just found out, that mails sent from SFOS 19.5.2 MR-2-Build624 are missing the Message-ID header, required by RFC. Not a critical issue, but our mail archive softwares complaines each time, a mail from our XGS should be archived.

Hi, and thanks in advance for any help. we have some items in the smtp quarantine that cannot be deleted from the console. Can we ssh into the firewall and delete form the file level? I have found a directory /var/quarantine but not not sure if I…

Hi folks, I am trying to understand why my XG115W tags my daily reports from the XG as being possible spam? Below is the mail scanning rule that causes there issue. The mail rule is a XG default rule and has recently started the action.

Is it possible to set up the XGS126 to scan incomming pop mail attachments on mailware?

Is the firewall (MTA mode) not accepting SMTP with SSL/TLS also on port 465/587? My Epson printer is not able to connect on 465/587 with the firewall: /log/smtpd_main.log -> nothing in log /log/smtpd_reject.log -> nothing in log ACL violation? Source…