Hi

>> In the other hand we do callouts with a special
>> username (not <>) to avoid problems with servers rejecting bounces
> 
> No matter your opinion on callouts, that is an epically bad idea. Imagine
> that you and I are both doing that, and I want to send you an email:
> 
> You get an email from [email protected]
>     Your server replies with a callback from [email protected]
> My server sees an incoming message from [email protected] to
> [email protected] and responds with a callout from [email protected]
>     Your server responds with a callout from [email protected] to
> [email protected]....

unless you accept anything for [email protected] wihtout doing any
check (including callouts) at rcpt (and reject anything reaching
predata)

-- 
Best regards ...

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    David Saez Padros                http://www.ols.es
    On-Line Services 2000 S.L.       telf    +34 902 50 29 75
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