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
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
Services
Management platform
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
Rewards program
Leaderboard
Products and Services
Products
Endpoint security
Sophos Endpoint
Sophos XDR
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
Services
Management platform
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
Rewards program
Leaderboard
Support Portal
Guest User!
You are not Sophos Staff.
UTM Firewall
Mail Protection: SMTP, POP3, Antispam and Antivirus
Release Notes & News
Discussions
Recommended Reads
Members
Lifecycle and Migration
More
Cancel
New
UTM Firewall requires membership for participation - click to join
Recommended Reads
This curated forum is to highlight content created by the Community or by Sophos Staff.
Note:
Information is posted as-is and the content should be referenced at your own risk.
Tags
RSS
More
Cancel
UTM Quick Links
⁃
Retirement Calendar
Sophos Network Security HW:
⁃
Supported SW versions
⁃
Lifecycle Policy
⁃
Revision and Serial Number Coding
Suggested
UTM Top Contributors 2023
Rank
Name
Points
6
Escape75
262
7
dirkkotte
116
8
WolfgangS
104
9
Jeff x
94
10
busthead
88
Updated:
31 Dec 2023 2:45 AM
More
Cancel
<
Recent Conversations
By title
By last reply date
By thread date
By reply count
By view count
By most asked
By votes
By quality
Descending
Ascending
All recent questions
Unanswered questions
Answered questions
Questions with suggested answers
Questions with no replies
Not Answered
POP3 Proxy Server timeout
0
Locked
804
views
0
replies
Started
over 12 years ago
by
mmkhalili
Not Answered
ISP blocking port 25
0
Locked
2916
views
5
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
VPN Users (CISCO) on iOS cannont send Email via SMTP
0
Locked
2234
views
7
replies
Latest
over 12 years ago
by
Spoony
Not Answered
Limit Amount of Emails user/hour
0
Locked
895
views
1
reply
Latest
over 12 years ago
by
Ol Deda
Not Answered
Mutual TLS
0
Locked
1295
views
2
replies
Latest
over 12 years ago
by
BAlfson
Not Answered
[Solved]DKIM not working - outbound mails do not get signed
0
Locked
15212
views
6
replies
Latest
over 12 years ago
by
asc
Not Answered
ISP mailserver setting
0
Locked
3189
views
6
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
Email Distribution List
0
Locked
5309
views
8
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
I would like to hear from anyone that has moved from another Anti-Spam service
0
Locked
2872
views
8
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
Spam mail and userportal
0
Locked
2073
views
4
replies
Latest
over 12 years ago
by
lucahornet
Not Answered
Email Protection Statistics NOT Populated
0
Locked
2643
views
3
replies
Latest
over 12 years ago
by
cottonakin
Not Answered
[9.003-16] UTM9 SMTP sometimes blocks locahost when using IPv6
0
Locked
1259
views
1
reply
Latest
over 12 years ago
by
wingman
Not Answered
mail spam test
0
Locked
8087
views
2
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
Release and report as False Positive
0
Locked
6385
views
14
replies
Latest
over 12 years ago
by
cottonakin
Not Answered
[9.002-12]Undeliverable: Mails are Qarantained as SPAM
0
Locked
5644
views
14
replies
Latest
over 12 years ago
by
Ol Deda
Not Answered
[9.003] Undelivered Mail Returned to Sender (mail manager)
0
Locked
1581
views
1
reply
Latest
over 12 years ago
by
wingman
Not Answered
not receiving mails from 1 domain . error bounced 554 5.6.0 Invalid content
0
Locked
4822
views
3
replies
Latest
over 12 years ago
by
BAlfson
Not Answered
SMTP filtering best practice setup
0
Locked
4561
views
7
replies
Latest
over 12 years ago
by
netfreak
Not Answered
[9.002] Mail Quanrantine and Remote Access in User Portal problems
0
Locked
1375
views
5
replies
Latest
over 12 years ago
by
BAlfson
Not Answered
SMTP SSL certificates
0
Locked
3919
views
3
replies
Latest
over 12 years ago
by
BAlfson
<
>
Share Feedback
×
Submitted a Tech Support Case lately from the Support Portal?
Yes
No
