• Enable users to integrate external mail server accounts (via IMAP/SMTP) with Sophos XG330 acting as an MTA in our network

    woody
    woody
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Firewall in MTA mode not sending out mails

    Sven OlafSchuran
    Sven OlafSchuran
    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
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SMTL TLS Configuration Setting

    Dhaval User
    Dhaval User
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Annahme von Email an unbekannte Empfänger

    KarstenFL
    KarstenFL
    Moin, unsere XGS reicht immer noch Emails an den Exchange durch, für User, die nicht mehr aktiv sind. Beispiel: Wir hatten früher einen User T.Test@ unsereDomaine.de . Diesen User gibt es nicht mehr. Im AD und im Exchange gibt es diesen User und auch…
    • over 1 year ago
    • Sophos Firewall
    • German Forum
  • EMAIL DKIM issue QUARANTINE with policy allowed

    philbert
    philbert
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS2100 - Sophos als MTA mit Exchange Online

    BauToni
    BauToni
    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…
    • over 1 year ago
    • Sophos Firewall
    • German Forum
  • Mails sent from automatic systems related as spam

    rexer
    rexer
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • DKIM issue with ed25519 selector

    Jules van Diesen
    Jules van Diesen
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Greylist synchronization

    Jos Verhallen
    Jos Verhallen
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Does Email Callout Cache Results?

    JeffCooper
    JeffCooper
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SASI - Does the SASI engine scan imap/s traffic?

    rfcat_vk
    rfcat_vk
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos Email Protection - Exception list unsorted sender addresses

    PhilippRusch
    PhilippRusch
    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.
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS 107 MTA

    Patrick81
    Patrick81
    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…
    • over 1 year ago
    • Sophos Firewall
    • German Forum
  • Improvement: Add Message-ID header to mail send from SFOS

    WGS
    WGS
    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.
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • smtp quarantine items cannot be deleted from web console

    brucepott
    brucepott
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • EMAIL scanning - IMAPS marks messages as possible spam

    rfcat_vk
    rfcat_vk
    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.
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • XGS 2100 SMTP TLS 1.1 deaktivieren

    WilliamS#
    WilliamS#
    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!
    • over 1 year ago
    • Sophos Firewall
    • German Forum
  • Scan inncoming POP emails

    Driek Heesch
    Driek Heesch
    Is it possible to set up the XGS126 to scan incomming pop mail attachments on mailware?
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SMTP SSL/TLS on Port 465/587 Local_ACL Violation?

    Quallensaft
    Quallensaft
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • XGS - Mail Security

    _Tobias_
    _Tobias_
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Can I release mails by content type in xgs 19+?

    anatol
    anatol
    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
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Sophos XG, Mail Protection, multiple external IP addresses and DNAT. Mail Protection listens on all WAN IPs we need it only on 1.

    wolfman1
    wolfman1
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • SFOS MTA: SPAM-Quarantine: cant whitelist newsletter bounce (false positive)

    David Lorenz
    David Lorenz
    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…
    • Answered
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • No longer receiving Sophos XG emails (Such as daily reports or Password of the day)

    Jaan
    Jaan
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
  • Cannot send mails to peers requiring client certificate authentication

    Thomas Schachtner
    Thomas Schachtner
    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…
    • over 1 year ago
    • Sophos Firewall
    • Discussions
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