We host web and email services on a VPS for our clients in the UK. We have recently discovered an issue with sending emails from our server to anyone whose email is on hydra.sophos.com. Such emails are blocked with a “ connection refused ” message…

Moin an alle, links in Emails werden von Sophos gekapselt und in folgender Form dargestelt: https://eu-central-1.protection.sophos.com/?d=plesk.page&u=aHR0cHM6Ly9jaGFybWluZy1oYXdraW5nLjE1Ny0yMzAtNDEtNzAucGxlc2sucGFnZS9sZWFybi9lbGl0&i=NjE2OTYwZDZmMzJlOGEwZTVhNzdmOTNh&t…

We currently use SEA on-premise and restrict the quarantine site to local IPs. I tested the cloud version, but it does not have 2FA on the quarantine site. SSO does not count as 2FA. Both our government regulatory and cyber insurance company have said…

I have a strange situation where an email address contains an authentication key for an SMS provider. It leaves our system with a capital A, Sophos processes the email and then it returns it to O365 with a lowercase A which causes authentication to fail…

I'm in the middle of setting up a new client on to Sophos Central Mail. The client has 10 public domains. When I link them up through Sophos, it only creates four connectors (2 inbound and 2 outbound), so no duplicate connectors, it just shares the same…

Hola a todos, Estoy utilizando Sophos Central para gestionar la seguridad del correo electrónico en mi organización y me gustaría saber si existe alguna forma de configurar un filtrado específico para los correos entrantes basado en la estructura del…

Since moving from another antispam provider to Sophos, I've started getting Microsoft Quarantine emails again. I've done a message trace and it clearly shows that the message was sent to Sophos, however Central has no record of that email ever arriving…

We are receiving spam e-mail with a suspicious url from gmail and outlook accounts with a large number of TO recipient adresses (>300). There is no smart banner added as it is a plain text e-mail. Content-Type: text/plain; There is a plain text url…

Hello All, Please everything was working fine, all emails were coming fine until I integrated the email with Sophos email Security. Now Some domains sends email, they don't Get any feedback letting them know the email delivery failed but i see it in the…

I am wanting to know how prior Reflexion.net users handled the migration to Sophos when they had to deal with hundreds/thousands of "address on the fly" (AOTF) addresses and no more smarthost send connectors to port 587. 1) The AOTF addresses can be imported…

Hello, we are planning to switch from Sophos SG/UTM E-Mail Gateway to Sophos Central E-Mail. In between of our E-Mail Servers and the Sophos SG/UTM E-Mail Gateway there is another E-Mail Encryption Gateway, where emails are getting routed through. …

Dear community, in our Sophos Central administration we noticed since 10.02.23 in EMAIL SECURITY, that Sophos migrated the SMIME policies for users, grouops and domains to a new section / category. since 10.02.23 the SMIME policies do not work any…

Hello team, We are using SEA ES1100 to provide email security protection, its EOL time is July 20,2023, so I want to know can we migrate the current SEA configuration to Sophos Central Email (cloud)? If we can't migrate and we're going to redeploy,…

My connector from sophos to M365 broke last month. I got it fixed but not M365 defender is grabbing a ton of emails under the "Anti spam" policy. I cant seem to see where its going wrong. has anyone had these problems?

Hi, we're fairly new with M365 and Sophos Email Security set up with Mailflow and working fine. Today I had a customer reach out saying that our emails are failing SPF. Examining the headers, this failure is happening when our outgoing email is passed…

Hello community, Is it possible to configure Sophos central email as below, If I maintain 2 or more mail servers in cluster, and I assign in inbound destination a FQDN of a type A record for example mail.abc.def pointing to IP 1.2.3.4 and 5.6.7.8…

When sending an email from abroad to my email, the following message appears 5.7.51 TenantInboundAttribution Also, when adding an external connection relay-us-west-2.prod.hydra.sophos.com ‎ , it is not accepted Please solve

there are four columns in the Allow/Block page [Action, Address/domain/ip address, Created on and Sender authentication ]. It would be useful to know if an allowed address fails the sender authentication check. When a client asks us to allow an address…

Hi all, I miss the Digest email (Quarantine), but i have messages within quarantine. How do i check if/why not a digest is sent. Greetings

Hi Is there a way to send quarantine summary email every time an email is blocked? Shay

Question about stripping. If CSV files are blocked, and a user sends an email with a CSV attachment AND also a XLSX attachment, are both (all) attachments stripped, or just the CSV file and the XLSX file remains?

This document says you can set SPF to "reject". Does that mean that the sender gets an email saying that the email has been rejected? Or do Sophos mean the email is deleted? https://docs.sophos.com/central/customer/help/en-us/ManageYourProducts…

Good afternoon Sophos community, I see myself in need of seeking help by this means for the problem that has been presented to me. I have configured mailflow in 4 domains, each one with a different substate, I have carried out the following tests: 1…

My ISP sends voicemail as an attached WAV file for any extension. Each extension is tied to an email address. When the associated email address is a Microsoft Distribution List, Sophos reports that the user is unknown and the message never gets delivered…

The issue we are seeing is when a spoofed email is sent for a user, for instance user test@example.com gets an from test@example.com for a fake voicemail message. What is happening is Office 365 is accepting the message and marking it as spam, then…