Hello Marcus,

> same here:
>
> 970  common_domains_email_ips_root.txt
> 1249 common_domains_email_ips_user.txt

Thanks for checking and proving to me that this isn't a figment of my
imagination.

> Thanks for the list, I hope it's ok to use it?

I can't say. I stole it from the following URL and converted it into
something digestible for smtpctl. Now I'm temporarily hosting it for the
sake of this test.

https://github.com/mailcheck/mailcheck/wiki/List-of-Popular-Domains

My personal list includes many more hosts and running that with root
omits over 500 addresses.

On Wed, 2026-09-16 at 09:46 +0200, Marcus MERIGHI wrote:
> Hello Igor, 
> 
> same here:
> 
> 970  common_domains_email_ips_root.txt
> 1249 common_domains_email_ips_user.txt
> 
> Thanks for the list, I hope it's ok to use it?
> 
> Marcus
> 
> [email protected] (Igor Zornik), 2026.09.15 (Tue) 20:02 (CEST):
> > Hello,
> > 
> > Does anyone else get noticeable discrepancies in the resulting list
> > of IPs based on whether you run SPF walk as root or under a regular
> > account? For instance, when running something like “smtpctl spf
> > walk < common_domains.txt > common_domains_ip.txt”, the output
> > file contains approximately 20% more addresses than when running it
> > as root. Does anyone have an explanation for such behavior? You can
> > try it with an example list of common domains I’ve prepared at
> > https://ports.mocheryl.org/tmp/common_domains.txt
> 



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