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https://issues.apache.org/jira/browse/JAMES-4125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean Helou updated JAMES-4125:
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Fix Version/s: 3.9.0
> Rework Mailet api
> ------------------
>
> Key: JAMES-4125
> URL: https://issues.apache.org/jira/browse/JAMES-4125
> Project: James Server
> Issue Type: Improvement
> Reporter: Jean Helou
> Assignee: Jean Helou
> Priority: Major
> Fix For: 3.9.0
>
>
> While prototyping a new DKIM mailet which would sign with a sender's domain
> specific key instead of using a fixed private key I realized the design of
> the mailet API is ... perfectible.
>
> I propose the following changes
> # improve the GuiceMailetLoader to no longer rely on the init() method but
> instead bind the proper mailet config in a child context as is done for the
> GuiceMailRepositoryLoader.
> # apply default methods to the mailet api so implementing a mailet from
> scratch (not using GenericMailet{^}1{^}) is easier
> # change the Mailet interface to get rid of the getMailetConfig method
> entirely as it is only used to get the context and the error handlers from
> the engine
> ** it is not the mailet responsibility to provide the context to the engine
> ** the getConfig would be replaced by 2 methods to explicitely provide error
> handlers instead of relying on an undocumented convention
> ^1^ GenericMailet is both a Mailet and a MailetConfig which doesn´t sound
> quite right, it also implements default behaviours that would be better
> placed as default methods on the interface
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