On 08/02/2016 15:38, Ian Eiloart wrote:
>
>> On 5 Feb 2016, at 09:21, Adam Funk <a24061@???> wrote:
>>
>> Just curious: why are 100% of Postfix servers "Version Other"?
>
> The survey never proceeds beyond the "EHLO" greeting. That’s a shame,
> because it means that about 50% of servers aren’t identified, whereas
> some servers will give away their version number with a HELP, or
> something like that. Anyway, some servers display the software name
> at EHLO. And some of them also display the version number. Security
> consultants don’t like that, so the display of software name or
> version is often disabled. Not that it helps much, if at all.
>
> So, perhaps Postfix never displays a version number.
Postfix doesn't display a version number by default, on the basis that
this information is of no relevance to a remote host trying to deliver
email to it. It can be configured to display a version number, but I
can't imagine why anybody would want to.
Mark
--
http://www.markgoodge.com
