Not to be 'snide' Atro, but that part is pretty obvious..
It was the technical details I was searching for, on HOW it is able to
relay from those IPs.. please review the original post again.. I thought
I was clear on that..
This doesn't appear to be the standard relay path/source/methods..
On 2023-10-25 12:45, Atro Tossavainen via mailop wrote:
Maybe Brandon can weigh in on or off list, but is there a a way for
spammers to simply relay out Gmail servers if they are Google Cloud?
$ host -t txt sredplus.com
sredplus.com descriptive text
"google-site-verification=gyoD4DWS9XSrAmz9s5Pc9OBLvvowksBJtB0Oi-DAlsQ"
sredplus.com descriptive text "v=spf1 mx include:_spf.google.com
include:24145163.spf02.hubspotemail.net include:sendgrid.net -all"
$ host -t mx sredplus.com
sredplus.com mail is handled by 10 alt3.aspmx.l.google.com.
sredplus.com mail is handled by 5 alt2.aspmx.l.google.com.
sredplus.com mail is handled by 5 alt1.aspmx.l.google.com.
sredplus.com mail is handled by 1 aspmx.l.google.com.
sredplus.com mail is handled by 10 alt4.aspmx.l.google.com.
I guess those two tell you everything you need to know: their email
infrastructure is Google, they're just using it for cold email^W^W
spam in addition to their regular stuff. This is really commonplace
these days.
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Visit us at http://www.linuxmagic.com @linuxmagic
A Wizard IT Company - For More Info http://www.wizard.ca
"LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd.
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This email and any electronic data contained are confidential and intended
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