Hai, I have purchased new firewall XGS2100 and configure settings for auto scheduler backup. But i didn't receive backup mail and even test mail also. Kindly suggest how can fix the errors!. Senthil Asia

Hi Everyone We setup MTA according to this URL: https://docs.sophos.com/nsg/sophos-firewall/20.0/help/en-us/webhelp/onlinehelp/AdministratorHelp/Email/HowToArticles/EmailSetupMTAModeWithMultipleWANPortsOrAliasIPAddresses/index.html#change-the-route…

I use two sophos xg 310 instances as HA they are on MTA mode, once upgraded to firmware version SFOS-20.0.1-MR-1-Build342 emails to some domains get bounced with error :"R=default_mx_router T=remote_smtp: all hosts for '[doamin.com]' have been failing…

Hello, we have the following problem: Three of our server / applications do not support OAuth for the moment, so we need an locally smtp server inside our network. For the moment we use simple postfix, authenticated users only from specific internal…

Hello, just a quick question, is SophosOS in the current version vulnerable to CVE-2024-39929? Is there already a workaround or a patch available? nvd.nist.gov/.../CVE-2024-39929

Hi there, we had a very interesting problem with our Sophos-Firewall and the mailflow on Wednesday. On 2024-06-26 around 08:00am (UTC+2) no more mails were delivered via our Firewall. All mails were visible in the GUI under "Mail logs", but only…

Hello, in the last few days I have noticed that certain emails are not being delivered, and I observed in the Sophos XGS 126 smtp_mail.log that the emails are being rejected. The senders and recipients exist and are known. This issue started occurring…

We received an E-Mail addressed to \"?info\"@domain.de and can not delete this entry from the list of quarantined E-Mails via Web-Console. Is it possible to delete this entry using a ssh-session / command prompt?

hi i have XGS4300 (SFOS 19.5.4 MR-4-Build71), it is MTA mode, today i start getting bounced email while sending email to few domain R=default_mx_router T=remote_smtp: all host for 'mahagenco.in' have been failing for a long time(and retry time out not…

XGS2300, 19.5.4 We're getting a lot of false positive blocked IP addresses lately. Where in the logs can I find what specific IP address is being blocked (since the message does not arrive I can't look at the headers) and which RBL is blocking it. All…

Hello, I have set up an XGS136 SFOS 20.0.0 at an customer with an OnPrem Exchange 2016, of course set it up with MTA Mode / Reverse Proxy (Thanks for the 1MB Size Limit that is forbidden to edit...) and I am facing issues to set up Quarantine Digests…

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…

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…