link2xt

Document how to test that outgoing port 25 connections work

2

There is a thread about it on the forum: https://support.delta.chat/t/secure-join-between-accounts-on-separate-chatmail-servers/2932 Hetzner has FAQ entry: https://docs.hetzner.com/cloud/servers/faq/#why-can-i-not-send-any-mails-from-my-server DigitalOcean documentation: https://docs.digitalocean.com/support/why-is-smtp-blocked/

Prepare for pyinfra 3

1

Pyinfra 3.0 beta version is available: https://github.com/pyinfra-dev/pyinfra/issues/987#issuecomment-1925207907 It can be tried with the following patch: ```diff diff --git a/cmdeploy/pyproject.toml b/cmdeploy/pyproject.toml index 060865c..4498a8f 100644 --- a/cmdeploy/pyproject.toml +++ b/cmdeploy/pyproject.toml @@ -6,7 +6,7...

Setup monitoring

8

`postqueue -j` prints postfix queue in JSON, can be redirected into `wc -l` to count the number of messages and counted with [RRDtool](https://oss.oetiker.ch/rrdtool) or some monitoring system based on it,...

`cmctl` command should be able to list users and remove (all) users

Implement Atomic for usize

2

I want to store `usize` in a gauge metric without conveting it to u64, but `Atomic` trait is not implemented for `usize`: https://docs.rs/prometheus-client/0.22.2/prometheus_client/metrics/gauge/trait.Atomic.html Because of this `Gauge::::default()`. Is there any...