Re: Forcibly disconnect spammers

2016-06-10 Thread Wietse Venema
Karel: > > On 2016-06-08 17:59, Phil Stracchino wrote: > > > > This may not work for you, but I reject all incoming mail connections > > directly from Windows hosts at my firewall. They are overwhelmingly > > likely to be botnet spam zombies. If it's a legitimate mailserver, it > > will fall back

Re: Forcibly disconnect spammers

2016-06-10 Thread Karel
> On 2016-06-08 17:59, Phil Stracchino wrote: > > This may not work for you, but I reject all incoming mail connections > directly from Windows hosts at my firewall. They are overwhelmingly > likely to be botnet spam zombies. If it's a legitimate mailserver, it > will fall back through my backup

Re: Forcibly disconnect spammers

2016-06-09 Thread Wietse Venema
Wietse Venema: > Jason: > > I want to find a more radical way to forcibly disconnect the IP when the > > check has finished and the IP hasn't passed it. How can I do that? (I > > seek a Postfix solution, not iptables or similar) > > Wietse: > > Configure Postfix to reply with 521 or 421, then it h

Re: Forcibly disconnect spammers

2016-06-08 Thread Wietse Venema
Jason: > I want to find a more radical way to forcibly disconnect the IP when the > check has finished and the IP hasn't passed it. How can I do that? (I > seek a Postfix solution, not iptables or similar) Wietse: > Configure Postfix to reply with 521 or 421, then it hangs up. Chalmers: > Can you

Re: Forcibly disconnect spammers

2016-06-08 Thread Chalmers
Can you show an example please. I too could really use this advice. Thank you if you will Robert - From my iPhone. > On 8 Jun 2016, at 7:39 pm, Wietse Venema wrote: > > Jason: >> I want to find a more radical way to forcibly disconnect the IP when the >> check has finished and the IP hasn

Re: Forcibly disconnect spammers

2016-06-08 Thread Wietse Venema
Jason: > I want to find a more radical way to forcibly disconnect the IP when the > check has finished and the IP hasn't passed it. How can I do that? (I > seek a Postfix solution, not iptables or similar) Configure Postfix to reply with 521 or 421, then it hangs up. Wietse

Re: Forcibly disconnect spammers

2016-06-08 Thread Phil Stracchino
On 06/08/16 11:34, Jason wrote: > I have Postfix, Dovecot and Amavis on my Ubuntu server. Recently, I get > every 4 minutes a connection from IP 155.133.82.96, which appears to be > Windows XP and maybe has a virus. Anyway, I found the way (after a lot > of Googling) to make my Postfix not delay cl

RE: Forcibly disconnect spammers

2016-06-08 Thread Tony Nelson
[mailto:owner-postfix-us...@postfix.org] On Behalf Of Jason Sent: Wednesday, June 08, 2016 11:35 AM To: postfix-users@postfix.org Subject: Forcibly disconnect spammers I have Postfix, Dovecot and Amavis on my Ubuntu server. Recently, I get every 4 minutes a connection from IP 155.133.82.96, which

RE: Forcibly disconnect spammers

2016-06-08 Thread Tony Nelson
I would simply block the IP at my firewall and be done with it. From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Jason Sent: Wednesday, June 08, 2016 11:35 AM To: postfix-users@postfix.org Subject: Forcibly disconnect spammers I have Postfix, Dovecot

Forcibly disconnect spammers

2016-06-08 Thread Jason
I have Postfix, Dovecot and Amavis on my Ubuntu server. Recently, I get every 4 minutes a connection from IP 155.133.82.96, which appears to be Windows XP and maybe has a virus. Anyway, I found the way (after a lot of Googling) to make my Postfix not delay client access checks and I reject that IP