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  1. 451 4.3.0 Error: queue file write error;

    Sep 21 13:10:46 server pmg-smtp-filter[97459]: Killing "1" children Sep 21 13:10:47 server systemd[1]: Stopping Proxmox SMTP Filter Daemon... Sep 21 13:10:47 server pmg-smtp-filter[97459]: 2021/09/21-13:10:47 Server closing! Sep 21 13:10:47 server systemd[1]: pmg-smtp-filter.service: Succeeded...
  2. Whitelist messages still SA score higher than 0 = makes statistics invalid

    Hello, Is it possible to configure the filter to set SA score to 0 if the message is whitelisted? Right now the whitelist messages still score SA higher then 0 even if they are whitelisted and that messes up the statistics. Thanks.
  3. Autoreply from exchange not signed DKIM by proxmox outbound gateway

    We send test email from gmail.com to one of the exchange mailboxes that has autoresponder set. Autoresponder emails should be signed by DKIM but they are not. We get back autoresponder email that is not signed by DKIM. If we try to send email from our domain to gmail our email is DKIM signed...
  4. Send notification email if some mail in Queue Administration with Reason "452..." or over threshold of number of messages

    Hello, We are seeing that a good indication that something is not working when messages are starting to accumulate on our incoming mail filter. Is it possible to create some rule so we would be notified if messages in Queue reach a specific threshold like more then 50 messages in Queue waiting...
  5. [SOLVED] Abnormal AWL score on legitimate emails?

    How do you diagnose this? I see daily legitimate emails rejected because they have too high AWL score. Can we see why there is a high AWL score on particular message? Found the post here https://forum.proxmox.com/threads/improve-awl.65170/ that helped me. Will try to retrain the database.
  6. How to get proxmox mail gateway to the next level? we are so far away from a secure system

    Hello, I have been working extremely hard on improving spam detection, improving virus detection on proxmox mail gateway but I still feel like I am nowhere where I want it to be. I am mostly worried about malicious links/attachments, messages that will load scripts or anything malicious. I just...
  7. More ClamAV Signatures via DatabaseCustomURL

    Hello, Opening this thread to start a discussion about more ClamAV Signatures via DatabaseCustomURL. In another thread https://forum.proxmox.com/threads/clamav-signatures-from-securiteinfo-90-detection-rate.91072/ securiteinfo was mentioned and after testing the paid version our detection rate...
  8. Proxmox Virtual Environment for hosting providers?

    Hello, Just interested how much build in multi user support there is in proxmox-ve? Is it usable for multi user (each user is different customer/company that has access to their resources? - they can build or destroy their vms, have defined ip addressed/networks that they can use, hdds...). How...
  9. ClamAV update interval where can you change it?

    Hello, Where can we configure the frequency of updates for ClamAV? What is the default update interval? Thanks.
  10. AWL score not showing on some messages

    Any idea why I am not seeing any AWL score on some of the messages? Example OK AWL: X-SPAM-LEVEL: Spam detection results: 0 AWL -0.701 Adjusted score from AWL reputation of From: address HTML_MESSAGE 0.001 HTML included in message KAM_DMARC_STATUS...
  11. How to change from where and how Undelivered Mail Returned to Sender email is send

    Hello, Our configuration is one proxmox mail server gateway for receiving email and one for sending email. Is it possible to configure the receiving email server to use sending email server for system messages for example everything that is delivered from Mail Delivery System...
  12. Remove all attachments except the ones I allow...

    Hello, Anyone has an advice how to do this in the most simple way possible. I would like to make a mail filter rule that will remove all attachments except the ones I allow. This is a much better policy then the one that is defined by default. Example on this mail filter rule I would allow...
  13. Adding Global whitelist exception Parameter verification failed. (400) - email: invalid format - value does not look like a valid email address

    Hello, When trying to add Global whitelist exclusion Add -> E-Mail exception I get this error I am trying to add email address: name.surname+caf_=surname=example.com@gmail.com This is how emails that are forwarded by gmail to some address look like. They have this weird format with + and =...
  14. [SOLVED] WARNING: Ignoring deprecated option SafeBrowsing at /etc/clamav/freshclam.conf

    Hello, Just done the upgrade to Mail Gateway 6.4-4. I am looking in the logs for errors and I am noticing this error. Apr 27 17:12:07 freshclam[814]: WARNING: Ignoring deprecated option SafeBrowsing at /etc/clamav/freshclam.conf:18 I am thinking this is referencing to this option: Will it be...
  15. Uploading Custom Certificate Result verification failed (400) _root: property is missing and it is not optional

    Hello, We have a wildcard certificate for our domain. I want to change it and every time I try to upload the certificate I get this error: I have tried adding or removing parts of certificate chain without any success. The certificate chain works fine on our linux webserver or ftp server. I...
  16. Install updates.spamassassin.org immediately when they are available

    Hello, Running Mail Gateway 6.4-3 with all updates installed. I am wondering if it's possible to force installation of updates.spamassassin.org as soon as possible automatically. I have been checking and it seems every time I check they are not installed. If I install them manually it works...
  17. BAYES_00(-1.9) always the same value. How to check if it's working properly?

    Just upgraded to latest version Mail Gateway 6.4-3 and hoped this would be fixed but looks like it's not. No matter what message I check there is always BAYES_00(-1.9). How to check if it's operating properly? This value should be variable depending on the message. If you check on...
  18. Finding the reason for "adding disclaimer failed"?

    Hello, We added a new rule to our server so if the spam score is equal or higher then 2 it will add disclaimer as noted below. It is working on most messages but I just noticed that on message it failed to work properly. Can you give some advice how to find the reason why it failed to add the...
  19. Possible to add Whitelist comments for Who Objects and Mail Proxy Whitelist?

    Hello. We added a lot of whitelist items and it's getting out of hand without any option to make comments. We would really like if there was an option to make a comment for each entry so we know for each whitelist for which company this whitelist is. You can't get that information if you are...
  20. [SOLVED] Blocking mail via signer signerhash

    Hello, Is it possible to block mail with this information provided. This was a request from Microsoft. Example of what we have to block: Bespoke Software Solutions Limited cba350fe1847a206580657758ad6813a9977c40ef signer signerhash Thank you!

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