[SFOS 18.5MR3] Poor spam detection after update to Sophos Anti-Spam Interface

Question

Hi everyone, I am setting up a separate thread as I did not receive any specific reply in other threads. 
 The case concerns Sophos Anti-Spam Interface after upgrading from v18.5MR2 to v18.5MR3 and from v19EAP1 to v19EAP2. 
 Before updating, antispam works great in legacy mode, detects a lot of intrusive messages and tags with a prefix (near 99%). After updating, only some messages are detected as spam and tagged (I did not do any changes in configuration). 
 What it comes from? How can I edit my lists to achieve pre-update spam detection? 
 Greetings

Daniel_SP · Accepted Answer

Update: 
 
 Sophos has fixed the AntiSpam Problem NC-90702 and it is solved via hotfix 3 (v19). 
 I can confirm that it is working again 
 smtpd_main.log 
 good entry: MSG Jun 03 09:50:18Z [1nx3wf-00077y-Vc]: spam scanning result: 'NonSpam' 
 bad entry: MSG May 31 06:56:16Z [1nvvna-000228-6v]: spam scanning failed, unable to connect local antispam

Karlos · Answer

Just to update this thread, RE: NC-90702, development will include a fix in SFOS 18.5 MR4 and 19.0 MR1.

Vivek Jagad · Answer

Hey Darron Edwards , Please upgrade the appliance to the latest release: https://community.sophos.com/sophos-xg-firewall/b/blog/posts/sophos-firewall-v19-mr1-re_2d00_release-build-365-is-now-available if the issue still persist, please contact Sophos Support:

[SFOS 18.5MR3] Poor spam detection after update to Sophos Anti-Spam Interface

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