Re: [OT] Blocking Tor connections, was: Re: Postfix.org website

2022-09-15 Thread Peter
On 16/09/22 16:24, Peter wrote: * Malicious users are much more likely to come from botnets than from TOR, and botnets can connect from anywhere and are much *less* likely to be malicious (People who run exit nodes tend to be knowledgeable enough to know how to keep their computers from becomin

[OT] Blocking Tor connections, was: Re: Postfix.org website

2022-09-15 Thread Peter
On 9/09/22 23:51, Simon Wilson wrote: Noting that whilst some may consider that block excessive, it does appear that some 'authorities', including at least the Australian government's cyber security department, Fortinet, and others, recommend these IPs are blocked. E.g. "The Australian Cyber

Fwd: [ANN]ounce of S-postgray v0.8.0

2022-09-15 Thread Steffen Nurpmeso
Hello and good evening. I am sorry to make a further, necessary release of this little program, but i plugged a "miss" that could affect users. (Anyone not doing the never announced "rm -f PG-SOCKET" in a (pre-) postfix startup script.) While i was there, i added a server --startup mode that can

Re: How to setup the secondary MX server

2022-09-15 Thread Jonathan Sélea
This is a perfect example of why NOT to use Google for your first resort in asking questions! The linked howto is very bad, and it will make your new secondary MX host a spam magnet. You are absolutely correct. I wrongly assumed that antispam/antivirus measures was something that everyone imp

Re: How to setup the secondary MX server

2022-09-15 Thread Rob McGee
On 9/15/2022 8:45 AM, I wrote: The concept of "secondary MX" dates way back to pre-spam days. I think it can safely be considered an outmoded idea at this point. But if you insist on doing it, make sure that you use:   * Recipient validation   * Identical anti-spam controls on both hosts

Re: How to setup the secondary MX server

2022-09-15 Thread Rob McGee
On Wed, Sep 14 2022 at 07:10:57 PM +0800, Henrik Pang wrote: Hello, Is there a guide for adding a secondary MX with postfix? the secondary MX would forward messages to the main MX. When the main MX was in failure, the secondary MX should hold messages for some time. On 9/14/2022 6:14 AM, Jon