SMTP server for forwarding mail to Matrix?
reddit / selfhosted

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incoggnito2 · 2023-10-28 11:38

So I am hosting multiple services in my homelab. I search for a secure
way to send the mails via smtp in my local network to a selfhosted
matrix and then via https to my phone. Any interesting projects or
simalar self controlled ways?Hello! I'm running multiple services in
my home lab and I'm looking for a secure method to send emails via
SMTP within my local network to a self-hosted Matrix server, and then
securely access those messages via HTTPS on my phone. Are there any
interesting projects or self-controlled solutions you can recommend
for this setup?

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heydroid · 2023-10-28 11:53

you can set up postfix to pipe the email to a script of your choice.
From there you can write a script to forward the message to Matrix.

your transport map file you will add a like

[matrix.server.](https://matrix.server.com)local emailtomatirx:


Them in [Master.cf](https://Master.cf) you will add two lines at the
bottom using the emailtomatirx name to pipe it to a script.
THen when you send an email to user@matrix.server.local it will pipe
it to your script, and you can do whatever from there.

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incoggnito2 · 2023-10-28 11:58

Thank you, do run this yourself?

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heydroid · 2023-10-28 12:31

I do, still working out some kinks in the script side, but postfix is
solid.
You can still have postfix forward out all other email to a relay or
however you want.


If you go this route, I can get you more detailed config files.

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Old-Satisfaction-564 · 2023-10-28 16:25

https://github.com/devture/email2matrix

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incoggnito2 · 2023-10-28 17:18

I am currently going this route with a fresh Alpine 3.18, currently I
am still setting up a new Matrix Synapse instance.
I am not that familiar with postfix yet. If you can share any links or
pointers to your configuration that would be very helpful.

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p_ng · 2023-10-28 18:39

Thumbs up for postmoogle!

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incoggnito2 · 2023-10-28 18:46

I would like to know how to install postmoogle without docker. :)

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pewpewdev · 2023-10-28 19:21

You should get a look at mailrise. Its apprise with email support. I
have been using it for awhile now and it works perfectly

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incoggnito2 · 2023-10-28 19:25

>mailrise

That looks very nice.
I will devinitly give it a try!

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heydroid · 2023-10-28 19:32

[https://www.thejml.info/devops/passing-email-to-scripts-with-
postfix](https://www.thejml.info/devops/passing-email-to-scripts-with-
postfix)
I used python not php, but you can pick the language of your choice.

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Old-Satisfaction-564 · 2023-10-28 22:15

It was mentioned in the official matrix newsletter, kind of official
recognition ...

[https://matrix.org/blog/2023/09/22/this-week-in-
matrix-2023-09-22/](https://matrix.org/blog/2023/09/22/this-week-in-
matrix-2023-09-22/)

​

apparently it is go application so it will compile to a single file,
read the Dockerfile, the script that builds the docker image, and do
the same.