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?

[immagine] 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 h…

It’s a docker fundamental. Most any “how to use docker” guide covers it, I’d think. [immagine] 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 Gennaio 2021, 12:21am 2

Stai parlando di Semplice consegna diretta della posta in arrivo?

Il primo 25 è l’IP esterno, il secondo è l’IP all’interno del container.

Quale problema stai cercando di risolvere?

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