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IDProjectCategoryView StatusDate SubmittedLast Update
0003051ClearOSapp-smtp - SMTP Serverpublic2015-06-05 08:262015-07-07 19:36
Reporteruser2 
Assigned Touser2 
PrioritynormalSeveritymajorReproducibilitysometimes
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version 
Target Version6.6.0 UpdatesFixed in Version 
Summary0003051: Mail delivery attempts to use IPv6 and fails
DescriptionPostfix attempts to deliver mail to IPv6 addresses on systems with just IPv4 networks. Here is a sampling in the /var/log/maillog file:

Jun 5 10:15:31 dc postfix/smtp[11296]: connect to ASPMX.L.GOOGLE.COM[2607:f8b0:400d:c06::1a]:25: Network is unreachable

Solution: set inet_protocols in /etc/postfix/main.cf to ipv4
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(0001631)
user2
2015-06-05 08:27

Hypothesis: this happened on a system using Google's DNS servers, so the issue might only appear on such systems.

- Issue History
Date Modified Username Field Change
2015-06-05 08:26 user2 New Issue
2015-06-05 08:26 user2 Assigned To => user2
2015-06-05 08:26 user2 Status new => confirmed
2015-06-05 08:27 user2 Note Added: 0001631
2015-06-05 08:28 user2 Issue cloned: 0003061
2015-06-11 15:48 user2 Status confirmed => resolved
2015-06-11 15:48 user2 Resolution open => fixed
2015-07-07 19:36 user2 Status resolved => closed