Sophos Community
User
Site
Search
User
Toggle Mobile menu
Community & Product Forums
Blogs
Partners
Events & Webinars
Getting Started
Support Portal
Community Blogs
Application Control
Community
Product documentation
Security
Feedback
Support Portal
Product documentation
Products
Endpoint security
Sophos Endpoint
Sophos XDR
Device Encryption
Sophos Mobile
Network Security
Sophos Firewall
Sophos ZTNA
Sophos Switch
UTM Firewall
Sophos Wireless
Sophos NDR
Email Security
Sophos Email
Phish Threat
Cloud Security
Sophos Central
Sophos Cloud Optix
Support Tools
Sophos integrations
Free tools
AI Solutions
Sophos AI
Services
Management platform
Sophos Professional Services
Sophos Central
Support Portal
Sophos Community log in
Sophos Partners
Partners blog
Local Partner community
Partner news
Resources
MSP guides
Partner Care
Sophos Central
Webinars & Events
Webinars & Events
Calendar
Become a partner
Join our program
Events & Webinars
Events & Webinars
Calendar
Recordings
Getting started in the Community
How to get started
SophosID registration
How to set up your profile
How to contribute and participate
How to manage private messages
Member recognition
Recognition program
Leaderboard
Products and Services
Products
Endpoint security
Sophos Endpoint
Sophos XDR
Device Encryption
Sophos Mobile
Network Security
Sophos Firewall
ZTNA
Sophos Switch
UTM Firewall
Sophos Wireless
NDR
Email Security
Sophos Email
Phish Threat
Cloud Security
Sophos Central
Sophos Cloud Optix
Support Tools
Sophos integrations
Free tools
AI Solutions
Sophos AI
Services
Management platform
Sophos Professional Services
Sophos Central
Support Portal
Sophos Community log in
Blogs
Community Blogs
Application Control
Community
Product documentation
Security
Feedback
Support Portal
Product documentation
Partners
Sophos Partners
Partners blog
Local Partner community
Partner news
Resources
MSP guides
Partner Care
Sophos Central
Webinars & Events
Webinars & Events
Calendar
Become a partner
Join our program
Events & Webinars
Events & Webinars
Events & Webinars
Calendar
Recordings
Getting Started
Getting started in the Community
How to get started
SophosID registration
How to set up your profile
How to contribute and participate
How to manage private messages
Member recognition
Recognition program
Leaderboard
Support Portal
Email Appliance
Release Notes & News
Recommended Reads
Discussions
Members
More
Cancel
New
Email Appliance requires membership for participation - click to join
![Notification: Sophos Email Appliance - Emails being rejected as server configuration errors after upgrading the SEA to the 4.5.3.4 version]](https://stage-community-sophos-comV11.telligenthosting.net/cfs-filesystemfile/__key/communityserver-components-secureimagefileviewer/communityserver-blogs-components-weblogfiles-00-00-00-00-19/16.png_2D00_512x256x2.png?_=637886327903302957)
