Search results

  1. Detect preferred language via browser or force default language for quarantine users

    Hello, Is it possible to detect preferred language via browser or force default language for quarantine users? I spend a lot of time making sure to translate proxmox mail gateway to our native language to make sure the quarantine usage is going to be as easy to use as possible for our users...
  2. modifying the subject to add spam or some other info in the subject are you using this?

    Just wondering how many of you are using modifying the subject by adding SPAM or adding some other string in the subject. I am having a really hard time using this so it will be added only on messages that might be potentially malicious. Is it possible to use this any other way then just spam...
  3. [SOLVED] How does Quarantine work and can you allow Quarantine access via ticket to SPAM, Virus and Attachment (all in one Quarantine?)

    Right now we have a pretty aggressive policy for detecting and blocking spam and malicious mail. That has consequences meaning we have to spend quite a lot of time daily working on adding whitelist items and checking why legitimate mail was blocked. To reduce our workload I am looking into how...
  4. [SOLVED] Disable filtering, processing, SA score for a one sender/IP of the sender

    Hello, From server IP 1.2.3.4 I just want to receive and pass email to server 2.3.4.5 without any processing. Is it possible to completely disable filtering including SA score for just one sender server (IP address). I have created Rule with top priority that accepts mail from this sender but...
  5. [SOLVED] enabling PIX workarounds: disable_esmtp for receiver server?

    Been noticing this in the logs for some senders, receivers. Any idea how it works and if it's good or bad? Example from logs: Nov 21 15:54:35 server postfix/smtpd[8412]: connect from mail-yw1-f171.google.com[209.85.128.171] Nov 21 15:54:35 server postfix/smtpd[8412]: Anonymous TLS connection...
  6. [SOLVED] How to configure rule set priority for two different block levels for domains and some additional requirements

    So I am struggling to make this optimal it seems like every way I try to configure this it just does not work the way I want it. I don't want to configure yet another mail gateway just for this it's too painful to manage just one pmg. I understand there are limitations with pmg...
  7. Is Proxmox VE ready for enterprise production environment?

    There is an active thread on https://old.reddit.com/r/sysadmin/comments/yzm5hc/shout_out_to_proxmox_ve_devs_best_hypervisor_imo/ about proxmox ve and personally I am interested in drawbacks and limitations vs other enterprise virtualization products. As we are starting to adopt more proxmox in...
  8. [SOLVED] Modify Header, Spam Level ?UTF-8?Q?

    I am running version 7.1-9 because of this https://forum.proxmox.com/threads/mail-flow-broken-on-7-1-8-patch-on-specific-case.117796/#post-510604 I am seeing that in the messages that are passing the filter the X-SPAM-LEVEL is in the wrong format Example: X-SPAM-LEVEL: Spam detection results...
  9. [SOLVED] how to disable clamav daily.cvd, main.cvd, bytecode.cvd databases

    Hello, I have a case where I would like to use only one manually created test.ndb file for clamav scanning. I would like to disable all other integrated signatures and apply only this .ndb file for scanning. I have already disabled clamav-freshclam service with the command below systemctl mask...
  10. [SOLVED] How to remove entries from #pmgMailProxyConfiguration:whitelist via command line

    Hello, Just want to remove entries from https://1.2.3.4:8006/#pmgMailProxyConfiguration:whitelist (Configuration - Mail Proxy) by removing from file instead of GUI as there is too many lines to do it via GUI. I have removed the entries in the following files but that does not seem to be...
  11. [SOLVED] Block encrypted attachments just encrypted zip, xlsx, xls for some domains

    Is this even possible? looking at the manual does not seem to be. I would need just encrypted zip, xlsx, xls for some domains is it even possible? I am guessing I can set this only globally and only for all encrypted files? Seeing this already on legitimate messages so we can't just increase...
  12. How to remove postmaster@example.com messages to undeliverable addresses

    Hello, So I want to make sure that people who are trying to send messages and are blocked (because virus detected) get notified that their message was blocked. If the message that contains virus is quarantined or blocked the sender is not notified of delivery failure. I guess that is just how...
  13. [SOLVED] DKIM signing on postmaster@example.com messages

    Hello, Is it possible to enable DKIM signing on postmaster@example.com messages that come from the filter. If I look at GMAIL I see that the messages are not signed by DKIM. From: postmaster@example.com Using MIME-tools 5.509 (Entity 5.509) Subject: test DKIM SPF SPF: PASS with IP...
  14. [SOLVED] Remove compressed attachments example (.zip) that contain .exe, .msi, .aspx in the .zip file

    Hello, Can some help out how to configure proxmox to remove compressed attachments that contain .exe, .msi or other executable, dangerous files? Right now I have a huge list of attachments that get removed but I would also like to apply this rule to all compressed attachments that contain files...
  15. email notification after each clamav and spamassassin update execution

    Anyone has this configured and can share their config. I want to monitor how clamav and spamassassin updates are executing and if there are any errors. A simple email notifications with information of the execution in the body would be great. Thanks!
  16. Official ESET Server Security for Linux integration with PMG

    EDIT: Mail security for Linux is a "proxy server" not meant to be integrated into other solutions so it can't be used with proxmox. We are not breaking any licensing agreement if we are using ESET Server Security for Linux, licensing is per server will try to get some pricing. Hope we can get...
  17. [SOLVED] pmgconfig[678]: reloading pmg-smtp-filter: can't open '/run/pmg-smtp-filter.cfg' - No such file or directory

    When starting the server I get this message in the logs. pmgconfig[678]: reloading pmg-smtp-filter: can't open '/run/pmg-smtp-filter.cfg' - No such file or directory systemd: /lib/systemd/system/clamav-freshclam.service:11: Standard output type syslog is obsolete, automatically updating to...
  18. Recommended server hardware for CEPH

    Any recommendations for highly compatible hardware for CEPH configuration. Are there any preferences for storage controllers that works best with CEPH? Below requirements: We prefer Dell hardware if possible. 3 host configuration 512GB RAM per host Intel Gold Processors 30TB storage (SAS SSD)...
  19. How to block all emails with specific link/domain in the body of the email

    For example I would like to block all emails that contain links to for example onedrive.live.com (https://onedrive.live.com/ and http://onedrive.live.com/). This means that any emails that contain this domain/link/text would be blocked. What would be the easiest way to do this in proxmox...
  20. Enforcing TLS connection security for inbound and outbound connections for a domain

    Hello, Got a request that we have to enforce only TLS connection security for inbound and outbound connections for a domain. For outbound connections I think I can just add via Configuration-MailProxy-TLS-TLS Destination Policy. How to add for inbound connections? As far as I see the setting...

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