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upload small file to a very large number of emails using star operator '*' just before at '@' and IP

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Hi all,

I was reading RFCs and am now wondering how to use the '*' wildcard char to send emails to all the users mailboxes of a given server with the IP
I use IPs instead of domain names for efficiency and the domain name gets translated to IP anyways using DSN and the IP approche lets me
get exhaustive list of IPs. Or coarse there are reserved/excluded IPs such as (loopback).
For example mail *@ < email.txt  => sends email.txt to all users of https://www.cloudflare.com/

this approche has several advantages, first its exhaustive. don't need to input all domain names, second you don't get "mail undelivered"
email messages bouncing back to mailbox for non existing users. third for stealth (using Tor or coarse) make you email untracable.
The only thing the receiving end user sees is "*@*" in "From:"

I have tried different approches for *@ but the command fails even when using mutt, pine, etc

any ideas ?


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Unfortunately it is not clear what ESET product you have. I would recommend opening a support ticket with your local ESET distributor if your query concerns ESET products in some way.

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