Where is the best place to ask about mail receiver topics? Here, or another forum? Specifically I am after details on what appear to be a pair of port numbers (25 : 25). It’s not clear to me why there are two ports here, not just one for SMTP. I cant find documentation in github.

Are you talking about Straightforward direct-delivery incoming mail ? The first 25 is the external ip, the second is the ip inside the container. What problem are you trying to solve?

[Bild] pfaffman: The first 25 is the external ip, the second is the ip inside the container. What problem are you trying to solve? Thanks. Where is that documented? Problem - trying to run normal enterprise class Postfix server for mail on same server as Discourse container. I need to have …

It’s a docker fundamental. Most any “how to use docker” guide covers it, I’d think. [Bild] Andro: Where is the best place to ask about mail receiver topics? Here, or another forum? I gave an answer to this question over at Postfix and mail receiver - #5 by pfaffman .

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pfaffman (Jay Pfaffman) 9. Januar 2021 um 00:21 2

Meinst du einfache direkte Zustellung eingehender E-Mails?

Die erste der 25 ist die externe IP-Adresse, die zweite die IP-Adresse innerhalb des Containers.

Welches Problem versuchst du zu lösen?

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