colin/uninsane
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

blog: postfix: link to a blacklist checker

Browse Source
This commit is contained in:
Colin
2022-04-07 20:25:03 +00:00
parent 86662f9da9
commit 289053b97d
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
content/blog/2022-04-05-systemd-nspawn-postfix.md
View File

@@ -259,6 +259,8 @@ _dmarc TXT (
validate your DMARC record (and DKIM, SPF if you want): <https://dmarcian.com/dmarc-inspector/>.
confirm that your domain/IP isn't blacklisted: <https://multirbl.valli.org/>.
try sending/receiving mail: <https://www.appmaildev.com/en/dkim>.
if these fail, check `journalctl -u postfix`. if there's no indication of traffic, it may be that your ISP blocks outbound port 25.