[BlueOnyx:17903] Re: Logjam, Openssl and Email Deliverability

Michael Stauber mstauber at blueonyx.it
Fri Jun 26 18:12:02 -05 2015


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Hi Carl,

> I suspect the list saw the CC and did not send you another copy.

Yeah, that's probably the case.

> A reply from google on mailop confirms that "we expect to in the
> near future" refuse to deliver mail to systems that:
> 
> 1) advertise starttls in response to ehlo, and 2) have a 512 bit DH
> key?
> 
> No indication on a time frame for that, other than "near future".

The sooner the better. :p

> Actually refuse to send mail to them - you can probably receive
> mail from them.

That might depend on what kind of mailserver that is. I didn't dig too
deep, but the log entries I've had (where inbound messages were
rejected due to DH parameters being too short) just tried over and
over and got the same error message each time. Of course that might
not be representative.

- -- 
With best regards

Michael Stauber
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