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Hi everyone, I'm facing an issue with ClamAV on my Proxmox Mail Gateway/Server setup. The Problem:ClamAV is repeatedly flagging an email as a false positive with the signature Sanesecurity.Jurlbl.89a214.UNOFFICIAL. Our security team has confirmed this is a false positive and I need to whitelist...

Hi all, I want to enable tls support for incoming email by proxmox, but the problem is our backend email not support tls so the flow failed when transferring email to server. I dont want to re-configure the email server, is there anyway to set TLS only from Proxmox then use the normal to mailserver?

I got many deny in the log regarding dnsbl. Is there anyone have exp on this? Aug 8 11:57:20 mailgw pmg-smtp-filter[175005]: WARNING: check: dns_block_rule RCVD_IN_VALIDITY_CERTIFIED_BLOCKED hit, creating /root/.spamassassin/dnsblock_sa-trusted.bondedsender.org (This means DNSBL blocked you...

Hi everyone, I want to separate my system to two mail server and want to have some rule (regular expressions) while transport email. Is there any way to do that? For example: - If recipients email have ext-xxxx@xxx.com (mean partner) then go to server A - All other email go to server B

Hello everyone, Some emails that arrive in our system are marked as spam, but the subject line always adds two SPAM. For example, the original subject line is "Welcome to so.."; then, the Proxmox mail gateway adds "SPAM: SPAM: Welcome to so.." Is there a way to identify which rule is causing...

I am going with proxmox as MTA and try to make it authenticate with our Active Directory. Going through many thread and guideline but I can not make it work with saslauthd and ldap. Is there anyone have the exp on this? Small write-up on how to do this in Proxmox Mail Gateway 6.x: install...

Dear all, I am using DNSBL as bellow zen.spamhaus.org*3 bl.mailspike.net*3 b.barracudacentral.org*2 ix.dnsbl.manitu.net Few days ago, lots of email was blocked due to blacklisted, the log is Oct 6 09:24:59 proxmox postfix/postscreen[1640998]: NOQUEUE: reject: RCPT from [40.107.236.41]:12960...

Hi all, I current use Promox as MTA, the email from mail server send out to Proxmox in Internal SMTP Port. Now I want to block the file send out with zip password. I found the setting "Block encrypted archives and documents" in Virus Detector but seems that it no affect to my current case. Is...

Hi, I tried the phishing test with my email gateway, the phishing email successfully pass all spam check and delivered to user. It can fake the sender even spf required. Here is the log, can anybody have experience on? Mar 23 13:10:50 smgw2 postfix/postscreen[2270866]: CONNECT from...

Hi all, I had an issue with the meeting invitation from Google Suite email. Many users from Gmail or Google Suite send the meeting invitation to Promox MailGW, few email were rejected Jan 20 14:58:24 proxmox1 postfix/smtpd[23310]: connect from mail-yb1-f201.google.com[209.85.219.201] Jan 20...

Hi, Today my email system have a lot of fake email, the user send email to himself and here is the log in proxmox I am not sure why there are not spf check in the log event i checked Use SPF Thanks. Dec 22 13:30:05 proxmox2 postfix/smtpd[18199]: connect from unknown[221.157.187.72] Dec 22...

Hi all, I am newbie with Proxmox mailgw. I used the DNSBL in setting with zen.spamhaus.org, threshold 1. But i found that lots of messages were rejected, such as bellow but in spamhaus it clean ip RCPT from [192.174.81.114]:34373: 550 5.7.1 Service unavailable; client [192.174.81.114] blocked...