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Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
Recent content by Dewan D
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Resolved Error code: (26) DNS lookup failure
Hi. I am not entirely sure what fixed the problem, but I have removed the 10.255.255.1 ( which seems to have caused the 26 error ). I am not sure why the tempfail was cause for a hard fail, however right now all is workign correctly. Thanks for the help on this.- Dewan D
- Post #9
- Forum: Plesk 12.x for Linux
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Resolved Error code: (26) DNS lookup failure
Hi UFHH01 I put the above into the and I thought that had fixed the problem. However I checked the logs this morning and the problem is still there.- Dewan D
- Post #7
- Forum: Plesk 12.x for Linux
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Resolved Error code: (26) DNS lookup failure
Hi UFHH01 First time posting here as I am a first time plesk user ( moved from cpanel ). /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 10.255.255.1 nameserver...- Dewan D
- Post #5
- Forum: Plesk 12.x for Linux
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Resolved Error code: (26) DNS lookup failure
Hi IgorG I have already read that article and the solution does not apply since my SPF local rules is empty.- Dewan D
- Post #3
- Forum: Plesk 12.x for Linux
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Resolved Error code: (26) DNS lookup failure
Hi Guys. I have looked through the forums but the references I found sadly did not help. Recently I have moved to a VPS with Plesk. Everything seems to be setup fine, except some emails are not coming through when the SPF Filter runs. Looking through the mail.log I have a few examples, since...- Dewan D
- Thread
- dns lookup failure mail resolv.conf spf spf filter
- Replies: 8
- Forum: Plesk 12.x for Linux
