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commissies:hornet:start [2026/02/07 11:30] haaijercommissies:hornet:start [2026/06/15 16:51] (current) haaijer
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 ===== Mail routing ===== ===== Mail routing =====
-``` + 
-host association.nl [2001:67c:2564:a120:1::79] +  host association.nl [2001:67c:2564:a120:1::79] 
-SMTP error from remote mail server after RCPT TO:snt@association.nl: +  SMTP error from remote mail server after RCPT TO:snt@association.nl: 
-550-The mail server could not deliver mail to snt@association.nl. The account +  550-The mail server could not deliver mail to snt@association.nl. The account 
-550-or domain may not exist, they may be blacklisted, or missing the proper dns +  550-or domain may not exist, they may be blacklisted, or missing the proper dns 
-550 entries. +  550 entries. 
-```+
  
 This sometimes happens after upgrades?  This sometimes happens after upgrades? 
-In any case, this happens because /etc/localdomains and /etc/remotedomains are wrong. cPanel has a tab "email routing" that is used to determine if cpanel is the email host for a given domain. Most domains have this set to automatic. It has happened multiple times before that cpanel thinks that it is not the host for many domains (presumably DNS does not sync fast enough, or caused by the hidden master DNS setup that SNT has). In this case. There is a script you can run to re-detect thi: https://help.bigscoots.com/en/articles/1783776-whm-how-to-rebuild-etc-localdomains-and-etc-remotedomains-on-cpanel+ 
 +In any case, this happens because /etc/localdomains and /etc/remotedomains are wrong.  
 + 
 +cPanel has a tab "email routing" that is used to determine if cpanel is the email host for a given domain. Most domains have this set to automatic.  
 + 
 +It has happened multiple times before that cpanel thinks that it is not the host for many domains (presumably DNS does not sync fast enough, or caused by the hidden master DNS setup that SNT has).  
 + 
 +In this case. There is a script you can run to re-detect this: https://help.bigscoots.com/en/articles/1783776-whm-how-to-rebuild-etc-localdomains-and-etc-remotedomains-on-cpanel 
 Make backups beforehand! Make backups beforehand!
  
 THIS MUST BE CHECKED AFTER EVERY BIG cPanel UPGRADE! THIS MUST BE CHECKED AFTER EVERY BIG cPanel UPGRADE!
 +
 +===== AbuseIPDB cronjob =====
 +We have a crontab running every 6 hours that pulls a 100% confidence blocklist from github and loads it into nft. https://github.com/borestad/blocklist-abuseipdb
 +
commissies/hornet/start.1770463810.txt.gz · Last modified: 2026/02/07 11:30 by haaijer
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