Re: How to setup the secondary MX server

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

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

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

Re: How to setup the secondary MX server

On 14.09.22 13:14, Jonathan Sélea wrote: Here you go: The first result on Google ;) I would add address verification check: http://www.postfix.org/ADDRESS_VERIFICATION_README.html ...but set unverified_recipient_defer_code to 250 to accept mail

Re: How to setup the secondary MX server

Here you go: The first result on Google ;) -- Jonathan Sélea Website: https://jonathanselea.se PGP Key: 0x8B35B3C894B964DD Fingerprint: 4AF2 10DE 996B 673C 0FD8 AFA0 8B35 B3C8 94B9 64DD On Wed, Sep 14 2022 at 07:10:57 PM +0800, Henrik Pang wrot

How to setup the secondary MX server

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. Thank you.