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https://issues.apache.org/jira/browse/JAMES-4028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoit Tellier closed JAMES-4028.
---------------------------------
Resolution: Fixed
> MailImpl derivation truncation might make diagnostic harder
> -----------------------------------------------------------
>
> Key: JAMES-4028
> URL: https://issues.apache.org/jira/browse/JAMES-4028
> Project: James Server
> Issue Type: Improvement
> Reporter: Benoit Tellier
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> I was investigating a forward loop ( :-( ) and to my unplaisure, because mail
> names are limited to 86 characters,
> This caused the lopped email name not to be prefixed by the name of the
> original name:
> {code:java}
> Mail1713173708159-16b6f285-e237-405f-800f-6a54926825e6-!5984740
>
> 713173708159-16b6f285-e237-405f-800f-6a54926825e6-!5984740-!9588184-!2870433
>
> 285-e237-405f-800f-6a54926825e6-!5984740-!9588184-!2870433-!9660160-!4179738
>
> -6a54926825e6-!5984740-!9588184-!2870433-!9660160-!4179738-!0418990-!8605805
> {code}
> Current rule:
> - 4 char for 'Mail' prefix
> - 15 char for current unix timestamp
> - 1 char separator
> - 38 char uuid
> - up to 7 x 9 derivative suffix
> Which means that truncation happens after 4 derivates.
> By twikking slightly generation mechanisms we can get a more compact name
> that wouldn't get truncated to fir the 86 char rule.
> - 4 char for 'Mail' prefix
> - 15 char for current unix timestamp - to be kept as some people might use
> it as diagnostic information?
> - 1 separator
> - Generate a 20 char random alphanumeric name. Entropy should be similar
> with the uuid
> - Rework each derivative suffix to be 5 char - use `!` as a demiiter and not
> `-!` and rely on alpha numeric for a more compact representation
> That way truncation never happens, and I could filter easily by base email
> name onto my favorite mailing system to see the whole history without
> headache.
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