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…

Hallo zusammen, wir sind gerade dabei in der Firma von einer Lancom UF zu einer Sophos XGS 2100 Firewall zu wechseln. Unsere Mails liegen unter Exchange Online. Die Sophos soll als MTA dienen. Den Artikel ( Set up Microsoft Office 365 with Sophos…

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.

Schönen guten Tag liebe Sophos Gemeinde :) . Ich habe mal eine Frage zum Sophos MTA, speziell geht es mir um das Stichwort "Mail Relay". Den MTA habe ich nach Sophos Anleitung konfiguriert, dieser läuft im übrigen hervorragend. Was mich aber ein bissen…

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.

Hallo, die TLS 1.1 ist seit 2021 unzulässig, wie kann ich das deaktivieren? Über die Einstellungen kann ich nur TLS 1.0 deaktivieren. Danke im Voraus!

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…

Hey Sophos experts, We are about to switch our UTM SG against XGS soon. Currently our reseller is not really advertising the Mail Gateway in XGS and is proposing to get another mail solution. The reason: according to them, the XGS has an open mail relay…

If an email with the MIME type content (image/png) is blocked by the previous UTM solution I could release it in the "Mail Manager" in the tab "SMTP Quarantine". Can I achive the same in the XGS solution? regards

Dear Sophos Community, we are facing the following situation: - 2 WAN IP addresses - 2 Interfaces each holding one of those IPs - we need one WAN IP address on the Mail Protection feature (incoming mail from the Internet) - we need the 2. WAN…

Dear Community, my name is david lorenz from germany. We have a problem with many of our customers. They get mails from newletters. The probel is that the sender does not send with the correct domain. So I cant whitelist the domain as wildcard in…

I'm not sure if i should be posting in this section or the XG Firewall section. Long story short, we have implemented DKIM,DMARC, SPF and TLS for our emails. (Google Workspace). Everything is working as expected with the exception of emails sent…

Hi team, we are using a Sophos XGS firewall to protect our mail server. The firewall is running in MTA mode and has a (free Letsencrypt) certificate installed which is periodically updated and currently still valid. One of our partners requires us…

Its possible to create regular expression on sophos xgs? i remember sophos utm 9 we can create regular expression on antispam mail protecction but i dont foud this option on xg and xgs its possible to create? maybe CLI? i need for block by subject mail…

Hello i have a XGS136 (SFOS 19.5.2 MR-2-Build624) and we need for a Cyberpolice to disable TLS 1.1 for MTA SMTP on the sophos I heard there is a workaround ? NC-77151 ?? thx Andy

Hallo zusammen, wir haben vermehrt Probleme mit false-positive Meldungen mit unserer Blacklist (bl.spamcop.net). Mich würde interessieren welche Blacklisten Ihr bei euch einsetzt.

Hi, When test using sophos email appliance When test enable Email in Firewall MTA Mode Anyone encounter this? How to set in firewall to get result same as sophos email appliance?