[Zope] transactional mail server for zope 2.7

[Yuri]

Andreas Jung wrote:
>
>
> --On 3. Januar 2008 11:25:25 +0100 Yuri <yurj at alfa.it> wrote:
>
>> Hi all!
>>
>> Is there a transactional mail server for zope 2.7. I mean, if some
>> transaction fail, it will not send the mail...
>
> MailDropHost is a well-known secret.
>
> -aj

Can I replace the standard mailhost without any problem in zope 2.7? Is 
this the new standard in 2.11?