On 23 January 2018 at 04:20, Noel Jones <njo...@megan.vbhcs.org> wrote:
> Strong spam indicators for the HELO are > (note: this is for mail coming from the internet. Authenticated > submission mail or legit mail from devices on your network might > break any of these) > - a dynamic hostname (eg. 89-73-46-234.dynamic.chello.pl, which > resolves just fine) > β... > βIs there a method (regex?) for reliably identifying dynamic ip addresses?β Take for instance 199-127-103-235.static.avestadns.com - it looks dynamic to me but it says it is static. Is it best/safest to rely on '\.dynamic\.' occurring in the name?
