action #150956
Updated by okurz 6 months ago
## Observation
After the o3 migration, postfix is no longer able to reach the configured mail relay.
```
jbaier@new-ariel:~> sudo postconf relayhost
relayhost = [relay.infra.opensuse.org]
jbaier@new-ariel:~> host relay.infra.opensuse.org
relay.infra.opensuse.org has address 192.168.47.4
jbaier@new-ariel:~> ip r
default via 10.150.2.254 dev eth0
10.150.1.0/24 dev eth1 proto kernel scope link src 10.150.1.11
10.150.2.0/24 dev eth0 proto kernel scope link src 10.150.2.10
10.151.15.2 via 10.150.1.254 dev eth1
172.17.0.0/24 dev tun5 proto kernel scope link src 172.17.0.2 linkdown
192.168.47.0/24 dev tun5 scope link linkdown
192.168.112.0/24 dev tun5 scope link linkdown
192.168.254.0/24 dev tun5 scope link linkdown
jbaier@new-ariel:~> mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
4C8A1191D7 5277 Tue Nov 14 15:21:09 o3-admins@opensuse.org
(connect to relay.infra.opensuse.org[192.168.47.4]:25: Connection timed out)
o3-admins@suse.de
team-qa-tools-aaaaejigt64kk3g6p3q4rtgnl4@suse.slack.com
```
I believe the tun5 is/was the ssh tunnel to old-ariel.
## Acceptance criteria
* **AC1**: We are able to receive emails from o3 (again)
## Suggestions
* DCT migration related so open a thread in Slack #dct-migration (set reminder to yourself so that you ask again if there is no follow-up). If that does not work then we need to open an SD ticket and point to the Slack thread (duh)
* Find out the address of usable mail relay in PRG2 either in opensuse.org or suse.org domain
* Reconfigure postfix on o3 to use it
* Verify the operation
```
jbaier@new-ariel:~> sudo postconf relayhost
relayhost = [relay.infra.opensuse.org]
jbaier@new-ariel:~> host relay.infra.opensuse.org
relay.infra.opensuse.org has address 192.168.47.4
jbaier@new-ariel:~> ip r
default via 10.150.2.254 dev eth0
10.150.1.0/24 dev eth1 proto kernel scope link src 10.150.1.11
10.150.2.0/24 dev eth0 proto kernel scope link src 10.150.2.10
10.151.15.2 via 10.150.1.254 dev eth1
172.17.0.0/24 dev tun5 proto kernel scope link src 172.17.0.2 linkdown
192.168.47.0/24 dev tun5 scope link linkdown
192.168.112.0/24 dev tun5 scope link linkdown
192.168.254.0/24 dev tun5 scope link linkdown
jbaier@new-ariel:~> mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
4C8A1191D7 5277 Tue Nov 14 15:21:09 o3-admins@opensuse.org
(connect to relay.infra.opensuse.org[192.168.47.4]:25: Connection timed out)
o3-admins@suse.de
team-qa-tools-aaaaejigt64kk3g6p3q4rtgnl4@suse.slack.com
```
I believe the tun5 is/was the ssh tunnel to old-ariel.
## Acceptance criteria
*AC1*: o3 is able to send e-mails
## Suggestions
* find out the address of usable mail relay in PRG2
* reconfigure postfix on o3 to use it
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