Sorry in advance if this has already been asked/answered before..... Current Sophos configuration: we are using Sophos email flow rules for inbound and outbound email. We are NOT relaying email through Sophos email server. Everything is working as…

I haven't been able to find a clear answer on this anywhere, so I'm hoping someone can offer some clarification. The Secure Message policy allows you to define TLS settings for both incoming and outgoing email messages. It also allows you to fallback…

Hello Team, One of our customers is looking for Sophos Email Security. They are currently using G-Suite with 60 users. Please find some relevant questions related to this. Here, I have shared a few queries about email security. These will help us…

Hi, Just wanted to ask if someone already tried integrating Sophos CEMA MailFlow Deployment ( Email Groups will be used due to limited licenses) with M365 Hybrid (M365 and Onprem Exchange)? Thank you!

My organization uses Microsoft 365 with Sophos Central Email Security as the email filter. The DLs contain both internal and external email addresses, such as Gmail or Yahoo. When I send email from an internal address to the DL, everything gets delivered…

We've just had so many problems with Microsoft quarantining and blocking emails using Mailflow mode, so we made the decision to switch to Gateway mode. Since doing that, we've been inundated with SPAM. Emails that obviously used to be deleted by Microsoft…

Hopefully this is a quick question and I totally missed other comments. Current config Email Protection - MailFlow is configured via Sophos Central and O365 rules are there and all is working as expected Question: If I change my Public DNS DMARC to…

hi Community, I have switched the mail flow from an XGS Firewall to Central Email. Unfortunately, I made a mistake and configured a duplicate sender verification, on both the XGS Firewall and Central. Now, several emails are showing up in the Message…

Hello. Regarding to the following discussion community.sophos.com/.../outgoing-emails-from-mailflow-arrive-in-spam I have a question. We have the same problem. Is there a solution to this now? We use Sophos Mailflow and the error "arc=fail" can be found…

Hi, We're trying out the Email Protection from Sophos to see if it is any good for us, especially the VIP users and Clawback features. We managed to configure this for the first time, and it was working for a week or so. During initial config, we…

Hello, I have noticed that when using the M365 mailflow, that the actions need to be manually mitigated. Is there a outline of all the actions that can be marked as resolved when setting up Mailflow? Can the integration automatically update the score…

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…

I have created a Support ticket for this but thought I would post here also. I've been testing M365 Mailflow in Sophos Email and I have the following problems: Sophos in mailflow mode is not detecting Gtube test spam https://spamassassin.apache…

I had a domain connected and working. Out of idle curiosity, I hit the test button on the M365 Mailflow page associated with one of my domains. After running for a while, it reported the test failed and changed the domain status to disconnected. The reconnect…

We've successfully setup Mailflow for our MS365 domain. We used the "copy existing MS365 Domains and Policies" and confirmed. Mailflow seems to be working correctly after testing. All looking good. However I am curious what to do with the existing…

Hi, In Control Panel Email Security shows this advisor hi i need this problem in sophos central email admin Do you solve this configuration with M365? You have not yet disabled the gateway connection for your domains. Your domain is currently configured…

I see the new Mailflow functionality is appearing in my Cloud Portal as a released feature. In the help it states: Sophos Mailflow doesn't currently support the following: Transport Layer Security (TLS) Remote block lists (RBL) Sophos Central…

Forgive me as I am new to this...... I have done a little searching on the forum and read the documentation but have not seen answers to my questions. In setup, it says you can can sync your AD users, add users manually or import using csv. Nowhere…

I have outbound emails filtered through Sophos and in the outbound gateway I have the ip of the firewall. The client can send emails out normally using outlook. The issue is when we have a mailbox set up to forward mail to a contact through the recipient…

I'm getting "Something went wrong while adding new domain." when i'm trying to add new Domain to Email Protection/MailFlow page. Azure DC Application already syncing and groups/users are in sync correctly. But i'm getting this error once i press "Setup…

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.

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…

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…

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…