![Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community](https://community.sophos.com/cfs-file/__key/telligent-evolution-components-attachments/00-56-01-00-00-18-28-87/Screenshot-2015_2D00_04_2D00_23-00.26.56.jpg)
Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community
![Sophos UTM - Bypass DNSRBL Blacklisted Address [RESOLVED] - SystemTek - Technology news and information Sophos UTM - Bypass DNSRBL Blacklisted Address [RESOLVED] - SystemTek - Technology news and information](https://i0.wp.com/systemtek.co.uk/wp-content/uploads/2018/10/rbl-by-pass.jpg?resize=671%2C912)
Sophos UTM - Bypass DNSRBL Blacklisted Address [RESOLVED] - SystemTek - Technology news and information
![Is it possible to create whitelists/blacklists from a text file? - Web Protection: Web Filtering & Application Visibility/Control - UTM Firewall - Sophos Community Is it possible to create whitelists/blacklists from a text file? - Web Protection: Web Filtering & Application Visibility/Control - UTM Firewall - Sophos Community](https://community.sophos.com/cfs-file/__key/communityserver-discussions-components-files/55/2016_2D00_01_2D00_22-16_5F00_24_5F00_40.png)
Is it possible to create whitelists/blacklists from a text file? - Web Protection: Web Filtering & Application Visibility/Control - UTM Firewall - Sophos Community
![SMTP Attacks - Block/Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community SMTP Attacks - Block/Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community](https://community.sophos.com/cfs-file/__key/telligent-evolution-components-attachments/00-56-01-00-00-18-21-48/stmp.png)
SMTP Attacks - Block/Blacklist IP - Mail Protection: SMTP, POP3, Antispam and Antivirus - UTM Firewall - Sophos Community
![UTM Firewall - How to implement an allow list? - Network Protection: Firewall, NAT, QoS, & IPS - UTM Firewall - Sophos Community UTM Firewall - How to implement an allow list? - Network Protection: Firewall, NAT, QoS, & IPS - UTM Firewall - Sophos Community](https://community.sophos.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/54/Screenshot-2021_2D00_04_2D00_22-152947.png)
UTM Firewall - How to implement an allow list? - Network Protection: Firewall, NAT, QoS, & IPS - UTM Firewall - Sophos Community
![block external ip in firewall - Network Protection: Firewall, NAT, QoS, & IPS - UTM Firewall - Sophos Community block external ip in firewall - Network Protection: Firewall, NAT, QoS, & IPS - UTM Firewall - Sophos Community](https://community.sophos.com/cfs-file/__key/telligent-evolution-components-attachments/00-54-00-00-00-04-12-48/Untitled.png)