Re: Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread Ghislain Adnet
Le 30/01/2018 à 19:26, Viktor Dukhovni a écrit : > > http://www.postfix.org/postconf.5.html#smtpd_client_port_logging > oh this one i did not found before thanks a lot i gonna try it asap. Karol : yes this is not a law that ask me to log them but it is important to me that if a bad guy blackm

Re: Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread Andrew Sullivan
On Tue, Jan 30, 2018 at 05:27:40PM +, Karol Augustin wrote: > > I don't know why it is important to you to log the port number so if you > could explain I would be grateful. It's because of a Large Scale Nat using address+port. The same address is given out to more than one ISP customer alon

Re: Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread Viktor Dukhovni
> On Jan 30, 2018, at 11:44 AM, Ghislain Adnet wrote: > > In postfix the IP is logged but not the TCP port. To be ahead in future legal > issues i wanted to know if there is a way > to : > > - add the TCP port to the log messages > - add the tcp port to a header in the mail (so it stick to i

Re: Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread micah
Karol Augustin writes: > On 2018-01-30 16:44, Ghislain Adnet wrote: >> hi, >> >> We participated in some police enquiries about emails sent to >> blackmail people and get the source IP. The ISP answered >> that they use proxy systems and they requires IP+port to be able to >> track the source.

Re: Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread Karol Augustin
On 2018-01-30 16:44, Ghislain Adnet wrote: > hi, > > We participated in some police enquiries about emails sent to > blackmail people and get the source IP. The ISP answered > that they use proxy systems and they requires IP+port to be able to > track the source. We just helped the case but it >

Email and information helpfull to have in the headers/logs for police enquiries

2018-01-30 Thread Ghislain Adnet
hi, We participated in some police enquiries about emails sent to blackmail people and get the source IP. The ISP answered that they use proxy systems and they requires IP+port to be able to track the source. We just helped the case but it sparkle the idea that i better start to log the tcp por