• Sophos is unable to forward mails to internal servers - need some tries

    GernotMeyer
    GernotMeyer
    I have a Sophos SFOS V21. different internal servers (Ubuntu postfix and MS Exchange). Since a couple of days mails are no more forwarded directly to the internal servers. Stuck in mail queue with "static smtp defer (-53)" or (100). Server timed out DT…
    • 7 hours ago
    • Sophos Firewall
    • Discussions
  • Mail protection: Migrate quarantined e-mails from old firewall to new one

    Blubb
    Blubb
    I'm migrating from XGS 136 to a new XGS 138. I saved the configuration of the old XGS and restored it to the new one. I am using the email protection feature. When I switch to the new firewall there are no spooled and no quarantined mails because they…
    • 5 days ago
    • Sophos Firewall
    • Discussions
  • Firewall Email Protection Logs Empty

    Trio Fandi
    Trio Fandi
    Hi, I just installed a Mailcow mail server, add Firewall rule to allow SMTP services and DNAT + SNAT to our mail server. It's works both inbound and outbound email delivery. Now I try to configure Email Protection in MTA mode, following this guidance…
    • Answered
    • 8 days ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewll doesn't af DKIM information to outgoing messages

    Michael Forum
    Michael Forum
    Trying to use DKIM on Sophos Firewall, XGS107 (SFOS 21.0.0 GA-Build169) and I'm stuck. I've been through some of the documents posted here, trying to apply some of the suggested solutions. Anny suggestions would br greatly appreciated. The firewall…
    • 19 days ago
    • Sophos Firewall
    • Discussions
  • Define exception for email protection in MTA mode with *.outbound.protection.outlook.com

    PhilippRusch
    PhilippRusch
    Hello, We are using onbox email protection with our SFOS 20.0.2, XG-System. I defined an FQDN-Host object as having the FQDN-wilcard *.outbound.protection.outlook.com. This object is listed correctly under the tab "FQDN-Host" at the "Hosts and Services…
    • Answered
    • 21 days ago
    • Sophos Firewall
    • Discussions
  • V21 send through smarthost on port 587

    Bart van der Horst
    Bart van der Horst
    Hi, I've got to send mails through a smarthost in the MTA on port 587 with tls, but MTA is only doing plaintext. It was working on v20 in v21 not.
    • 21 days ago
    • Sophos Firewall
    • Discussions
  • Quarantine Digest stucks

    Dennis Kirschner
    Dennis Kirschner
    Hello, on our Sophos XGS 126 with SFOS 20.0.2 MR-2-Build378 we have the problem that all quarantine digests get stuck in the mail queue. All other mails are delivered without any problems. In SMTP logs I can find: R=router_for_notifications…
    • Answered
    • 29 days ago
    • Sophos Firewall
    • Discussions
  • Email Protection auto generated MTA Firewall Rule

    jtaylor
    jtaylor
    Hi, I can't seem to find a clear answer as to why the auto generated MTA firewall rule is needed. As I understand it, in MTA mode emails are being 'handled' by the firewall rather than just traffic passing through it, so access should be controlled by…
    • Answered
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • XG MTA to Office 365 Connector “Empty Certificate”

    AndersK
    AndersK
    I’m trying to move Office 365 connector authentication from IP-address to certificate. A Let’s Encrypt certificate has been created (on SFOS 21) and added to the SMTP TLS configuration under the Email > General tab. When changing the Office 365 connector…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Sophos XG310 E-Mail: Add ".rdp" files to blocked filetypes

    IT GW
    IT GW
    Hello community, we wanted to add rdp files to the list of blocked e-mail attachements. Under blocked filetypes we added "rdp" but such attachements are not blocked. Other filetypes like f.e. "xls" are blocked correctly. Do we have to add the rdp…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Feature-request Warning in case of communication failure between Sophos and LDAP

    Patrick81
    Patrick81
    Good morning everyone. Since the function of a company depends on the LDAP query, I would consider it extremely important to receive a warning. If the LDAP query fails. The MTA then no longer checks users if the connection to LDAP is disturbed (it cannot…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Poor Spamfilter v20MR2

    Technik Technik1
    Technik Technik1
    Hi everybody, we have installed a Sophos v20 MR2. However, we had to realize that the spam filtering is very poor compared to the UTM. The Sophos is acting as an MX and works in MTA mode. Spam protection is active as a policy and basically has all options…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • old Queued mail found within Mail-Spool

    dirkkotte
    dirkkotte
    hello, I have a really old queued mail found within mail spool. in this case the email is not (was not) important, but how can that happen? In the meantime, many new emails have been delivered from the same sender to the same recipient. I'm asking because…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Unable to use "Reject based on RBL" in SMTP Policies

    Saarbruecken
    Saarbruecken
    Affected Version: SFOS 20.0.2 MR-2-Build378 When creating a new SMTP route & scan policy in Protect > E-Mail > Policies & exceptions you are unable to enable "Reject based on RBL". When you already have an existing SMTP Route & scan policy with "Reject…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Email deliver problem on Sophos XG v20 MR2 - Hosts have been failing for a long time.....

    GarryGalon1
    GarryGalon1
    This is more of a "Help the next guy out" post. So, I was thinking that my email was unusually quiet for the past couple of days, so I finally got around to checking things out, and discovered that I hadn't received any email for 3 days!!!. Did the…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Sophos XG SNAT Rule for on prem Exchange

    148Points
    148Points
    Hi, i have a little situation here i don't know how to handle, hopefully someone can give me a hint. Our ISP gave us two public accessible IPv4 adresses, x.x.x.6 and x.x.x.7, however our public gateway is x.x.x.5. Our WAN Interface in the Firewall…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall and Office365 via MTA - was Hybrid, now Online only

    Markus Quirmbach
    Markus Quirmbach
    Hello all, we are using our Sophos XGS-Firewall as a SMTP proxy with MTA. We have an Exchange Hybrid environment. The mail flow right now is as following: OUTBOUND: Exchange Online -> The internet INBOUND: The Internet -> XGS -> Exchange OnPrem…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Use SFOS as Mailrelay

    Snadro
    Snadro
    Hello Everyone Short description about our current Setup. We have Sophos UTM using as Mail relay solution for all of our internal Applications and Printers. The UTM is connected to M365 which is our Mail server. the UTM is not a Gateway for our normal…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • How to "drop" mails instead of "reject" in MTA mode

    Markus Quirmbach
    Markus Quirmbach
    Hi all! This is a follow-up of a question I posted 7 month ago - and dind't wrote back (sorry!). How to "drop" mails instead of "reject" This is still not resolved, so I ask again: ************ We have a XGS 2300 with SFOS v20 deployed and we…
    • Answered
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • Anti Spam Service randomly stopped

    espressodriven
    espressodriven
    Hi all! I have just logged into my Sophos XG (Version SFOS 20.0.2 MR-2-Build378) and saw that the Anti-Spam Service was randomly stopped. I do not stop the service, I checked the SASI-Logfile if there was some sort of crash, but apparently it seems…
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • POPS-IMAPS scanning - Strange, non ASCII character added in certificate.

    triune
    triune
    Hi, I have set up email scanning according to this guide: https://docs.sophos.com/nsg/sophos-firewall/20.0/Help/en-us/webhelp/onlinehelp/AdministratorHelp/Email/HowToArticles/EmailConfigurePOPIMAPScan/index.html#add-a-firewall-rule I have found that…
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • Email Delivery from local copier relays taking a long time

    Michael Chiasson
    Michael Chiasson
    Hi, using a Sophos XGS unit and trying to send a multifunction copier scan to email function to users. We have the XGS setup as an MTA for email purposes. We have the IP Address of our copier set as an allowed relay. We have a policy exception for that…
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • 2 addresses from a domain are not delivered

    brucepott
    brucepott
    HI, we have our firewall configured as transparent emial proxy. All works well, except the following: We can receive all mails from a domain @example.com except for user1@example.com and user2@exacmple.com All other mails from @example.com are delivered…
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • ALLOWING POP3 EMAIL WHEN OFFLINE

    TimothyWanume
    TimothyWanume
    Hello guys our client has XG230 He says that emails for internal communication have to work even when there is no internet. Kindly guide me on how to do it in sophos.
    • 3 months ago
    • Sophos Firewall
    • Discussions
  • to scan email content

    amit singla
    amit singla
    Hi, I want to know how to scan the email attachments and get report of word, excel, pdf files shared by users on email. Can we also see the contents of the file ? we are using XGS136.
    • Answered
    • 3 months ago
    • Sophos Firewall
    • Discussions
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