spam to aliases and system accounts

2017-04-22 Thread Jonathan de Boyne Pollard
Daniel Pocock: > Do any of the mailers (postfix, exim, etc) provide a convenient way > to exclude delivery to system accounts by default, or to exclude > these aliases and accounts from receiving mail from external senders? > Could anybody share examples of how they do it or pointers to > any

Re: spam to aliases and system accounts

2017-04-20 Thread Daniel Pocock
On 20/04/17 13:27, Jonathan Dowland wrote: > On Thu, Apr 20, 2017 at 10:43:33AM +0100, Brian wrote: >> You would have to sound out and convince the exim4 maintainers. I can >> well imagine their enthusiasm for a change might be muted. > > I've reported this before, IIRC, and was ignored. There's

Re: spam to aliases and system accounts

2017-04-20 Thread Jonathan Dowland
On Thu, Apr 20, 2017 at 10:43:33AM +0100, Brian wrote: > You would have to sound out and convince the exim4 maintainers. I can > well imagine their enthusiasm for a change might be muted. I've reported this before, IIRC, and was ignored. There's also a potential DoS situation because the default c

Re: spam to aliases and system accounts

2017-04-20 Thread Brian
On Wed 19 Apr 2017 at 20:15:02 +0200, Daniel Pocock wrote: > When people install Debian (or any distro), they usually get a bunch of > entries in /etc/aliases and various system accounts (/etc/passwd entries > with UID < 1000) created by the packages they install. > > I've noticed an increase in

spam to aliases and system accounts

2017-04-19 Thread Daniel Pocock
When people install Debian (or any distro), they usually get a bunch of entries in /etc/aliases and various system accounts (/etc/passwd entries with UID < 1000) created by the packages they install. I've noticed an increase in spammers targeting some of the more common ones. Can the number of