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    SPAM from gmail.com

    Good afternoon. Can you please tell me how to solve the problem? We started receiving SPAM emails from GMAIL, see the examples below. Of course, I can't block GMAIL by IP. Adding the sender to the BLACKLIST also does not seem to be effective. How do I set up PMG to filter similar emails?
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    [SOLVED] Is it possible to whitelist domain not IP range.

    Hi. I have PMG 7.3-3 and i can't receive mail from our partners, because it is blocked with "550 5.7.1 Service unavailable; client [136.143.188.12] blocked using block.ascams.com;". I checked the sender's SPF records and realized that they were sending emails using the mailing service. I do not...
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    SQL VM regularly freezes.

    Greetings. I have PVE 8.0.3 with several identical virtual machines, each of which has its own role. All VMs are Server 2019. One of them (Microsoft SQL Server) is constantly hanging up one time in two-three days. Black screen in Console and the only thing I can do is hard stop it. I can't...
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    [SOLVED] Blank To: field in SPAM messages. How to block such a thing?

    Mail Gateway 7.3-3 + Exchange 2013. I have been receiving SPAM messages with empty To: field, such as: Message body: Received: from MAIL04.mydomain.com (172.30.21.112) by MAIL04.mydomain.com (172.30.21.112) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Mailbox Transport; Tue, 2 Apr...
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    550-5.7.26 Unauthenticated email from gmail.com is not accepted due to domain's 550-5.7.26 DMARC policy.

    Redirected mails are sometimes bounced from Gmail. We have PMG installed if front of Exchange 2013. All income and otcome mail goes through PMG as it is our edge mail server. We have a simple forward rule, "if the mail arrives at user's mailbox user1@ourcorporatedomain.com send a copy to...
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    Step by step improving antispam protection.

    Hello to everyone. Exuse me, I'm not so familiar with antispam protection. We have Exchange 2013 installed with Proxmox Mail Gateway 7.3-3 as an incoming mail point. I have setuped DNS black lists and it works well, but i still has several SPAM mails in my mailbox almost every day. Other users...
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    SpamAssassin teaching guide needed.

    Hello to everyone. I'm new to Postfix and SpamAssassin. I deployed PMG and it is really cool, but I have some SPAM mails in users Inboxes. In my case PMG works as foreground to Microsoft Exchange Server 2013. Can anyone tell me step-by-step guide for teaching Spamassassin in corporate...
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    MDADM RAID10 filestore problems.

    Hello there. Help me please. I have PVE 7.1-10 installed. Bought 4 8tb HDD Seagate Exos 7E8 ST8000NM000A to make RAID10, attach it to PVE and make RAW disks on it to attach to VMs. What i did: 1. Made GPT on each disk size -10Gb of the size if disk as it is recommended here...
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    "Login failed. Please try again" Linux PAM standard authentication

    Second time i have a problem with login to Proxmox web interface with "Linux PAM standard authentication". The error is "Login failed. Please try again". SSH works well and first time i rebooted the server and it solved the problem but it reappears. Please help me with diagnostics of the...
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    Simple Vlan on Bond in Proxmox 7.1.

    Have spent a lot of time, but have no luck to config my bonding interface. Mby someone can help? For now i have Proxmox server with some virtual machines. No management vlan, but some vm's have 24 and 25 vlans: So now i need to only setup 24 and 25 vlan in virtual machines hardware config...
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    "Invalid compressed data--crc error" when restoring backup.

    Help needed, Just did backup with gzip to nfs without any problems. TASK OK. But restore stucks at 99% with "invalid compressed data--crc error": Tried to restore to another PVE, same error. Is there any option to recover backup? TY in advance.
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    1x Epyc 7302P or 2x Xeon Scalable 4210 for Proxmox 6?

    Plz give me advise. For now we want to upgrade our Proxmox PC with Ryzen 2700 to Supermicro server. Which processors will work better with Proxmox 1x Epyc 7302P or 2x Xeon Scalable. The price is nearly the same and both vendors have its pros and cons, but maybe there is some pitfalls from the...