Case: 06617332 Spent an hour on a remote session but support person clearly had no idea what they are doing. I've just moved a brand new client who's never used any Sophos product before on to Central Mail and now all their SPF checks are failing…

Dears, Kindly I Have configured my SOPHOS Email Gateway for G suite and i have received test email on Log Email Gateway - Message History but i don't receivedit on my mail on GMAIL so please advice

Dear all, I was wondering how should be treated Exchanged shared mailboxes as they are not really user, neither distribution list or Public Folder. If they are added as users, I guess that it will probably count a user licence which is not really…

Hello Sophos Email friends, I'm struggling with the quarantine because there are lots of emails quarantined by "Authentication failure / DMARC". As an example I have an email that is OK and that looks pretty good, but it's quarantined by DMARC. …

We've been trying to import our shared mailboxes from Office 365. Currently we have all our mailboxes imported from AD, but our shared mailboxes are in not in our AD, only on Office 365. From the documentation it looks like we need to use Azure AD in…

Good afternoon dear, We recently had some comparisons with the email gateway tool, these comparisons with the trend micro email tool. The comparison refers to the characteristic that this tool has "Against BEC attacks". Trend micro currently in this…

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…

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…

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…

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…

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…

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…

I am attempting to setup Sophos Mailflow for a O365 tenant with Microsoft Basic Business licenses. The "Outbound Emails sent from Sophos" inbound connector fails to enable and when I try to enable it manually I get the error: Error executing request.…

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…

Hello SOPHOS friends, I'm configuring SOPHOS XMAIL and have the problem that S/MIME encrypted messages are blocked by default Data Control policy. In the help area of XMAIL are no notices that encrypted mails are blocked: https://docs.sophos…

I currently am trying to allow a URL attached to an email through the filter that is set in my Sophos Central application. Does anyone have any ideas of where to Allow certain attachments or URLs written in an email? The URL being blocked is the domain…

1) How do I create an exception from spam filtering for a specific email address? 2) How do I allow an external domain (3rd party) to send email directly to my security gateway?

Not sure if theres a design reason for this (or plain oversight) - we have recently been noticing an uptake in spam making it through sophos email. After looking to them - it seems that at a glance, they should be blocked because headers smtp-from…

Get a red X after logging in twice to O365 to allow adding mailflow domain. Tried with firefox then with edge, same result. Is this a bug? This tenant already has 3 domains connected.