Re: Glibc Vulnerability -- CVE-2015-0235

2015-01-27 Thread Jonas Wielicki
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 FWIW, in the original advisory at [1], section 4, there is a snippet of C you can use to test whether you are vulnerable. If you are, you should probably upgrade asap. The fact that no exploit for a specific program has been found is no final proof t

Re: Message size

2014-08-05 Thread Jonas Wielicki
On 05.08.2014 20:08, Noel Jones wrote: > On 8/5/2014 12:53 PM, M. Rodrigo Monteiro wrote: >> 2014-08-05 14:47 GMT-03:00 Noel Jones : >>> On 8/5/2014 12:23 PM, M. Rodrigo Monteiro wrote: Hi! This postfix act as a Relay. From all servers, but one, the message size is 20MB. For the

Re: Greylisted by my own server?

2014-07-22 Thread Jonas Wielicki
On 22.07.2014 08:04, Chris wrote: > Hello, > > to test my servers (that is: > I've got one domain at namecheap. Using their SMTP to send mails but my > own VPS for the apache hosting and I run an own Postfix SMTP on my > domain3.de as well) I wanted to send one email from domain2.com to > domain3.

Re: Controlling who can use my server as relayhost

2014-07-22 Thread Jonas Wielicki
On 22.07.2014 08:17, Nicolás wrote: > Having this configuration, anyone using my mail server as the relayhost > is able to send mails to the domains that I handle (not outside), even > without SASL. I guess that behavior is determined by > 'defer_unauth_destination', however, my aim is to specifica

Re: Evangelizing DNSSEC and DANE

2014-05-24 Thread Jonas Wielicki
On 24.05.2014 14:42, lst_ho...@kwsoft.de wrote: > > Zitat von lst_ho...@kwsoft.de: > >> Not sure if someone already noticed (in German): >> >> http://www.heise.de/newsticker/meldung/Bund-sichert-ueberraschend-Mailtransport-per-DANE-ab-2196565.html >> >> >> Looks like the german government is at l

Re: Disabling Anonymous Diffie Hellman

2014-05-20 Thread Jonas Wielicki
On 20.05.2014 15:11, Colin Fowler wrote: > Thank you Viktor for your reply! > > On 20-05-2014 13:44, Viktor Dukhovni wrote: >> On Tue, May 20, 2014 at 02:25:49PM +0200, Thomas Leuxner wrote: >> >>> In any case you miserably failed to elaborate how to mitigate >>> the issue other than stating 'reve

Re: Client side DANE - minimum openssl version

2014-05-12 Thread Jonas Wielicki
On 09.05.2014 18:44, Andreas Schulze wrote: > Viktor Dukhovni: >> It may be simpler to upgrade your system. > yes, upgrade would be best but sometimes, > older crypto is not as painfull as it should be Although older crypto saves you from heartbleeds. I think there are some good reasons (not that

Re: Request for data points: DANE-enabled receiving domains

2014-04-26 Thread Jonas Wielicki
On 25.04.2014 17:00, Viktor Dukhovni wrote: > If anyone else on this list has a DNSSEC signed domain and adds MX > host TLSA records, please feel free to drop me a note. I'll connect > to your domain from my home network a few times a year to test DANE > interoperability, you will not be exposed t

Delivered-To Backscatter

2014-04-23 Thread Jonas Wielicki
Hi list, I’m sorry that this question has been discussed before. I am aware of the following posts and threads: http://www.irbs.net/internet/postfix/0609/0648.html (Backscatter from Delivered-To headers) http://www.irbs.net/internet/postfix/0609/0487.html (Preventing backscatter with