• How to "drop" mails instead of "reject"

    Markus Quirmbach
    Markus Quirmbach
    Hi all! I hope this is just a small question and easy to answer. We have a XGS 2300 with SFOS v20 deployed and we use it as our snmp proxy. We get a lot of mails from "spameri @ tiscali.it" which are rightfully rejected. Now, I would like to set up…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Configure Smarthost for Outgoing Mails (only for one domain)

    GernotMeyer
    GernotMeyer
    Hi all, I have multiple Domains mananged in my LAN. Sophos XGS3300 protects that mails. Now I want only one internal domain to use a smarthost for outgoing mail. All other domains should proceed directly via MX. How to manage that? Mail Policies…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Mail and webserver issues under XGS136W

    LAHCEN DAOUDI
    LAHCEN DAOUDI
    Hi community Please i have this issue for our customers, we migrated from UTM9 under SG135 series to new series XGS136W before we start you can find current configuration. Appliance are connected to ISP Modem (Router) via port 2(WAN) Port 1…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Sender address

    Stojan Cergol
    Stojan Cergol
    Hello, I am experiencing an issue with the Sophos XGS firewall on the latest firmware. The issue is with the Email application; specifically, incoming mail from the MailGun service is marked as b ounce+7bbc1d.e9c62-admin=acme.com . It happens that…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • How to enforce TLS negotiation for any SMTP traffic?

    Fred12
    Fred12
    Hello, as from here I can configure "Require sender email domains" to enforce TLS negotiation ( whitelisting ). Beside this I can configure "Skip TLS negotiation" ( blacklisting ). For compliance and legal reason I need to configure TLS negotiation…
    • Answered
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Please advise how to block spam messages while using imaps and how to get smtp into the logviewer?

    rfcat_vk
    rfcat_vk
    Hi folks, a while ago I had issues with SASI not logging all iMaps traffic. The issue has been partially resolved by changing firewall mail rules. A new issue is I receive over 1000 spam messages a day from the same sites via the mail post office…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Issue with Host-Based Relay on Sophos XGS 3300 is not working

    Ahmed Naveed
    Ahmed Naveed
    I am currently facing issue with the host-based relay on our Sophos XGS 3300 firewall. As per our configuration, I have allowed specific hosts to send emails, while denying access to other hosts. However, it has come to my notice that some denied hosts…
    • 8 months ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall blocking outgoing IPv6 SMTP traffic

    Nicolas Michaux
    Nicolas Michaux
    Hello, I'm trying to configure SMTP on Sophos Firewall ( SFOS 20.0.0 GA-Build222) : everything is running smoothly in IPv4, but Firewall is blocking outgoing IPv6 SMTP traffic : I tried to define all kinds of (IPv6) rules to allow this traffic…
    • Answered
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Problems with MTA traffic in an internal Test Network

    Nanoman
    Nanoman
    Hi everyone! we have a problem that we can't solve. We have two MTA servers in our network: the production one and one in the Test Net. We have recently migrated from SG to XG, and since the migration, we are no longer able to send Emails within the…
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • XGS - Show reason why mail is quarantined

    marcus33241
    marcus33241
    We get notify mails from our customer XGS 116 with SFOS 20 that mails are quarantined due to a detected virus (Malware 'Troj/MSIL-SSP,CXmail/MalPE-BP' detected and blocked) When looking at the device, I can't see any hint at the dashboard that a mail…
    • Answered
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Objects in mail quarantine not showing

    RicoK
    RicoK
    Hello community, recently we've encountered a problem with the e-mail quarantine on our sophos XG135 ( 19.5.1 MR-1-Build278) . Our XG is set up as e-mail gateway for our on-prem mail server and till about 3 days ago everything worked fine. Now…
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Sophos XG 19.5.3 - mails stuck in queue

    techno.kid
    techno.kid
    I'm moving from UTM to XG and are still in the "learning phase" to understand the new concept. Nevertheless, right now I'm absolutely desperate, because of outgoing emails (XG used as relay with SmartHost) are stuck in the "Mail spool" and I'm not able…
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Allow external public IP Address to access to SMTP relay

    eclipse79
    eclipse79
    Hello, I come from Sophos UTM, now I am configuring an XGS series. I need to allow an external public IP address to access to SMTP replay. I tried to add the IP to Replay Settings - Allow relay from hosts/networks but it does not work. It seems that…
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Email protection with Exchange hybrid

    Samuelson
    Samuelson
    Hi, we migrated one month ago from Sophos UTM to Sophos XGS. We also migrated email protection settings succesfully. With one exception. With the old UTM we routed emails from Exhange Online directly to our internal Exchange Server. Now with the XGS…
    • Answered
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall Email protection IPv6

    Mihail Karageorgiev
    Mihail Karageorgiev
    Hello community, Do you know is there any way to use Sophos Firewall Email protection in MTA mode for IPv6 SMTP/SMTPs traffic?
    • Answered
    • 9 months ago
    • Sophos Firewall
    • Discussions
  • SFOS and SG UTM affected by SMTP/EXIM CVE-2023-51766?

    FFin
    FFin
    Hi, are SOFS and SG UTM affected by CVE-2023-51766 (Sender Spoofing by SMTP)?
    • Answered
    • 10 months ago
    • Sophos Firewall
    • Discussions
  • Sophos FW blocking some appended signatures from Exclaimer Signature Manager V19.5.3

    RegencyBlue
    RegencyBlue
    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…
    • 10 months ago
    • Sophos Firewall
    • Discussions
  • changing primary email address -> No Spam digest and user portal qurantine

    Timm Buse
    Timm Buse
    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…
    • Answered
    • 10 months ago
    • Sophos Firewall
    • Discussions
  • SMTP DoS settings (methodology)

    scrvlz
    scrvlz
    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…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Check weblinks in e-mails

    Technik Technik1
    Technik Technik1
    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…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Incoming messages are sent to quarantine even though quarantine is deactivated

    Gerhard Seemüller
    Gerhard Seemüller
    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…
    • Answered
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Why are SMTP Mail "Reject" events not logged properly?

    Lars Holte
    Lars Holte
    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…
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Outgoing SMTP Traffic

    admin_idl
    admin_idl
    Hello, We use 2 WAN interfaces but want to route the outgoing SMTP traffic via one interface. What would be the best approach here?
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • Do I need to use auto added Firewall rule for SMTP scanning?

    jek
    jek
    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…
    • Answered
    • 11 months ago
    • Sophos Firewall
    • Discussions
  • 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…
    • 11 months ago
    • Sophos Firewall
    • Discussions
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