Re: Blocking spammers who spoof From: addresses from my domain

2018-08-12 Thread Matthias Fechner
Am 13.08.2018 um 01:29 schrieb Stuart Longland: > We have a problem where some smart-arse spammers/phishers are spoofing > the From address, specifying our domain as their from address. In one > case, the person in question uses my personal address in the From, To > and Return-Path. In others, th

Re: Timed out while sending end of data -- message may be sent more than once

2018-08-12 Thread Viktor Dukhovni
On Sun, Aug 12, 2018 at 08:50:19PM +, Thomas Kristensen wrote: > DATA > 354 [794178adb94846f8975ac93c9a320e4a] Start mail input; end with > . > Received: from Server (unknown [(removed)]) > by Server (Postfix) with ESMTP id 41pBtg5rKGzqYnC > for (removed); Sun, 12 Aug 2018 10:32:2

Blocking spammers who spoof From: addresses from my domain

2018-08-12 Thread Stuart Longland
Hi all, A silly question, I did have a look around but I'm just struggling to find the appropriate keywords to get a definitive answer. We have a problem where some smart-arse spammers/phishers are spoofing the From address, specifying our domain as their from address. In one case, the person in

Re: Timed out while sending end of data -- message may be sent more than once

2018-08-12 Thread Benny Pedersen
Invalid mimetype? milter out of mem or temp storage? boundary_274246_f400b577-4e93-4ffd-b5ec-355c7a0b5059 Content-Type: application .

Timed out while sending end of data -- message may be sent more than once

2018-08-12 Thread Thomas Kristensen
Hey I got this strange problem with postfix 3.1.0. I got this one server that doesn't get all the mails, queued for it. Some mails gets the error in subject. And if I do a tcpdump on the tcp stream I see this everytime: (the content has been wiped for some information) 220 [794178adb94846f8975