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bump, i have exactly the same issue. routing mails to different mx hosts depending on recipient domain (aka outbound transport in PMG language) is something which other products were able to do for decades. i'd really like to see this in PMG.

Hi, another resurrection of this old thread... Wouldn't it be cool to have recipient validation rely on LDAP/Active Directory information optionally, so you don't have to have Exchange Recipient Validation enabled which is kind of janky (having to use a different transport connector on port...

Hi, I want to configure my PMGs to send all outgoing mails to a smarthost, except for specific domains. Is it possible to have such a configuration? Thanks

Hi is it possible to hide or better change the hostname which is being presented when connecting with the mail gateway? It discloses my internal domain name and tbh the internal hostname is none of anyones business either... I'd like to change it to the mx record's name. Thanks! BR

nevermind... the one mailserver which would have worked, had a misspelled mx record. LOL, sorry.

which logs would you need? in syslog I can only see (after enabling verbosity for postfix), that postfix is trying to connect to only two of the three mail servers but not the third one (which is the only one reachable, lol). I saw pmg is even replying with 450 4.7.1 <myemail@mydomain.com>...

ok, thanks. interesting, that this didn't strike earlier. I've been using this for years like that and never got any mail into SPAM quarantine like that.

I have attached a screenshot of my rules + the syslog of one of the quarantined mails.

Mail proxy

Hi today I had two mails which were sent from a whitelisted IP (192.168.26.35) address delivered into my spam quarantine. I recently upgraded from 6.something to the most recent 7.something release and this is the first time, something like that happened. Is there something that could override...

Hi, i have a bunch of Domains configured in Proxmox Mail Gateway and I have three internal mail servers which are in a cluster. Also, i checked the "Use MX" checkbox for all the domains, and entered mxin.mydomain.local. In my local DNS Server, I have three MX records like this...

Interesting approach, will definitely try that out. I didn't think of configuring rules because without whitelisting my "internal" "system-mails" got filtered already just because of the fact that they didn't pass the SPF check, obviously.

Hi I have transitioned to PMG in my semi-production home-lab environment a few weeks ago and I do like the product very much so far. However one thing still bothers me a bit. In the previous product i was using, it was possible to allow local mail delivery (i.e. delivery to domains which the...

sorry for not coming back to you earlier. i just wanted to reproduce the issue but unfortunately it didn't reoccur when I shut down one of the nodes. Not even if I just disconnect the network adapter of one of the gateways (to simulate an unexpected connection loss)... I'll report back with the...

Is this also applicable to Proxmox Mail Gateway, which is what I'm using? You were referring to Proxmox VE... Thanks

Thanks for the links and infos, will look into it. Like I mentioned in my other thread I'd see a benefit in PMG supporting this feature but of course it is up to the product owner to decide what it is what it isn't. At least one competitor offers this functionality, like I mentioned and for me...

True, it says that in the config. So only 127.0.0.1/8 and the own IP of the PMG is whitelisted by default? In that case I must have misunderstood the manual, thanks for clarification. I know and the reason why I brought this up is because I migrated from Symantec Messaging Gateway (now...

Hi I was wondering how one would disable the default local network whitelist. It is my understanding, that any host on the same subnet as the PMG is allowed to relay. For me, that's kind of a security concern, I'd rather have only authorized clients sending mails through the gateway. Or is the...

Hi since this is a very nice SMTP gateway, it would be very convenient to have some kind of client SMTP functionality where you could publish port 587 to the internet where (lets say LDAP) users can authenticate and send E-Mails through the gateway so that one wouldn't have to publish his...

Hi, I've set up a three node cluster on three different sites connected via site to site VPN and one of the sites is currently completely down. Since then, I wasn't able to view the Cluster status, all it says is "Loading..." and then "communication failure (0)" after like 30 seconds. Is this...