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https://issues.apache.org/jira/browse/OPENMEETINGS-327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Solodovnik closed OPENMEETINGS-327.
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> Add Restart Save Mail-Queue
> ---------------------------
>
>                 Key: OPENMEETINGS-327
>                 URL: https://issues.apache.org/jira/browse/OPENMEETINGS-327
>             Project: Openmeetings
>          Issue Type: Bug
>    Affects Versions: 2.0 Apache Incubator Release
>            Reporter: SebastianWagner
>            Assignee: Maxim Solodovnik
>             Fix For: 2.1 Apache Release
>
>
> Currently mails are send "In-Context". Normally in a separated Thread.
> But there is no control about the number of Threads, which can lead to 
> problems if the server is under heavy load.
> Also if you terminate the service while runnning and restart Mails that where 
> currently in progress are just gone.
> To have better control about it there should be some kind of queueing for the 
> Mails to be processed.
> To do that one approach would be:
> Create a new table "mail_queue" [Fields: id, subject, receipents(can be comma 
> separated list), message, sendStatus, errorMessage, starttime, updatetime].
> Every time the system wants to send a new mail it will write a new entry in 
> this table.
> A separated scheduler will check every xx seconds for entries in that table / 
> open emails that need to be send and will get the next 10 (or xx entries) and 
> process them.
> Processed emails can be:
>  - Either deleted from the table
>  - Or maybe better just update the sendStatus and delete them via the 
> Administration by user on demand to have a chance to look at possible issues 
> and errors.
> The MailHandler should write problems and errors when sending emails to the 
> "errorMessage" field in the table of the database so that users don't need to 
> looks at log files to find out about mail server issues.
> Bonus: Would be great if you can see the current Mail-Queue in the 
> Administration panel and change the sendStatus to provoke resending it.

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