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From: "Zhou, Yan" on 2 Aug 2010 11:04
Hi there,

I implemented my own mail processor (Java program processing mails), and
defined my transport for that.

The problem is if my Java program throws an exception, the mail is
rejected and back to the sender. What I want is for it to go to the
deferred queue.

How can I do that? Either direct the mail to the deferred queue in Java
program or instruct Postfix to do that, so that it can be retried later?

Thanks,
Yan











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From: "Zhou, Yan" on 2 Aug 2010 11:25
Solved my problem by having my transport returning appropriate error
code.











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From: Noel Jones on 2 Aug 2010 12:02
On 8/2/2010 10:04 AM, Zhou, Yan wrote:
> Hi there,
>
> I implemented my own mail processor (Java program processing mails), and
> defined my transport for that.
>
> The problem is if my Java program throws an exception, the mail is
> rejected and back to the sender. What I want is for it to go to the
> deferred queue.
>
> How can I do that? Either direct the mail to the deferred queue in Java
> program or instruct Postfix to do that, so that it can be retried later?
>
> Thanks,
> Yan

Either arrange for your java program to exit with a temporary
error or you can add "-o soft_bounce=yes" to that transport
entry in master.cf.

-- Noel Jones

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