Re: zope.sendmail and critical transaction errors.

Tres Seaver wrote:
>> Patches attached for comment.
> 
> - -sys.maxint to changing the mail delivery to a non-transactional form.
> Switching to a before commit hook is the *worst* of the optoins:  it
> defeats the whole point of using zope.sendmail in the first place, which
> was to avoidi multiple e-mails on retried requests:  if the application
> doesn't want the mail to be transactional, then it should just send it
> immediately (which is what the MailHost used to do).  At that point, the
> user would get an error screen, which couold only be cleared by the
> admin fixing the mail configuration.
> 
> The misconfiguration of the mail host in transactional mode *does* cause
> the server to go into a "lockdown" mode (because errors are not supposed
> to be raised in 'tpc_finish').  There is *no* database corruption, but
> the transaction manager can't know that, and so it deliberately refuses
> to commit more transactions until the admin un-futzes the problem (in
> this case, by fixing the mailhost configuration) and restarts the server.

Yeah, what he said...

Chris

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