[jira] [Closed] (JAMES-4081) Mailet to mail to all users
"Benoit Tellier (Jira)" <[email protected]>
| Newsgroups | gmane.comp.jakarta.james.devel |
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[ https://issues.apache.org/jira/browse/JAMES-4081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benoit Tellier closed JAMES-4081.
---------------------------------
Resolution: Fixed
> Mailet to mail to all users
> ---------------------------
>
> Key: JAMES-4081
> URL: https://issues.apache.org/jira/browse/JAMES-4081
> Project: James Server
> Issue Type: Improvement
> Affects Versions: 3.9.0
> Reporter: Tran Hong Quan
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> # Why?
> One customer wants a mail alias for writing to everybody hosted on the platform (information on the mail service).
> # Example
> ```
> <mailet matcher="[email protected]" class="MailToAllUsers" >
> <batchSize>100</batchSize>
> </mailet>
> ```
> Will replace existing recipients with all users (usersrepositroy.listUsers) as recipient of the email.
> This can be contributed into `server-mailets`.
> # Performance notes
> Note that this can cause significant processing as APPENDING emails for one recipient can be a longish operation. Adding a batchSize parameter can be a good idea:
> - We treat the first batch of recipients directly says first 100
> - Then uses mailetcontext().send(...) to send to all remaining recipients, by groups of 100
>
> That way we may prevent emails with excessive recipient count and also paralelize the delivery
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