Hi I enabled the Attachment file type (Inbound) in the Data Control policy, I have excluded specific email address from this policy, but still this emil is blocked by the Data Control policy. I have excluded because the policy blocked macro files…

Hi I need to change the logo that is shown in the quarantine summary email. How can I do it? Shay

Hi Everyone! Do you ever get an email bounce back with Command Rejected error from Sophos Email protected domains? Here's an example. I sent this from a gmail.com account and got this message back: This number "0010" indicates what went wrong…

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…

If spam is not detected by the email gateway, is the process to submit samples the same as with previous products (by forwarding as attachment to is.spam@labs.sophos.com)? MTIA

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…

Overview Data Loss Prevention (DLP) policy string matching based on keyword and/or regex works only with UTF-8 encoded message. What to do If you observed that it is not working as expected, then first verify the email header to see which encoding…

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. …

Hi All, Check out the following article that describes troubleshooting information for common scenarios or issues that customers experience in Sophos Central Email. Sophos Central Email: Troubleshooting common scenarios or issues Regards,

Overview Sophos recommends that its domain ( sophos.com ) be whitelisted in Advanced Threat Protection (ATP) of Microsoft Office 365 to prevent ATP from automatically triggering links in Quarantine Summary sent by Sophos Email. Applies to the following…

Hi everyone, Check out this article that describes steps to submit spam samples and false-positives to Sophos for further analysis when using Sophos Central Email. Sophos Central Email: How to report false positive or false negative spam e-mails…

Hi Everyone! Do you ever get Non-Delivery Report (NDR) notification emails that have "Access Denied" when you try to send an email to the Sophos Email protected domain? Here is how the NDR looks like: This is usually caused by the following: …

Hi Everyone! Do you have issues where outbound emails through Sophos Email's Gateway mode fails and the sender is receiving a Non-Delivery Report (NDR) alert that mentions: "550 5.7.1 Command Rejected" ? Well, you've come to the right place! Symptom…

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…