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describe installing Postfix as Mailrelay

This commit is contained in:
Joerg Lehmann 2024-08-09 17:26:49 +02:00
parent 1156416c6f
commit 964cb5503e
1 changed files with 27 additions and 0 deletions
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README.md
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@ -58,6 +58,7 @@ enable EPEL Repo:
# firewall-cmd --add-service={http,https} --permanent # firewall-cmd --add-service={http,https} --permanent
# firewall-cmd --remove-service=cockpit --permanent # firewall-cmd --remove-service=cockpit --permanent
# firewall-cmd --add-port=1883/tcp --permanent ; only for MQTT # firewall-cmd --add-port=1883/tcp --permanent ; only for MQTT
# firewall-cmd --add-port=25/tcp --permanent ; for Postfix
# firewall-cmd --reload # firewall-cmd --reload
List Rules: List Rules:
@ -303,7 +304,33 @@ containers$ systemctl --user start podman-kube@$escaped.service
containers$ systemctl --user enable podman-kube@$escaped.service containers$ systemctl --user enable podman-kube@$escaped.service
``` ```
## Postfix
```bash
# dnf install postfix
/etc/postfix/main.cf:
---
inet_interfaces = all
virtual_alias_domains = wo-bisch.ch mini-beieli.ch
virtual_alias_maps = hash:/etc/postfix/virtual
---
# tail -2 /etc/postfix/virtual
info@mini-beieli.ch info@nbit.ch
info@wo-bisch.ch info@nbit.ch
# postmap /etc/postfix/virtual
# systemctl enable postfix
# systemctl start postfix
Creat DNS Records:
mx1.nbit.ch and mx2.nbit.ch (A/AAAA Records to the same IPs as onyx and onyx-dev)
Change SPF Records to include mx1 and mx2
```
## Secondary Nameserver ## Secondary Nameserver