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The number of large companies (or organisations generally) that outsource to GSuite and O365 is remarkably high. Just because it’s not @gmail doesn’t mean they
by oarsinsync 7y ago
The number of large companies (or organisations generally) that outsource to GSuite and O365 is remarkably high.
Just because it’s not @gmail doesn’t mean they’re not using Google.
Just because the MX records for the domain don’t directly point to google doesn’t mean they’re not using google.
Check the headers for mail received to determine who they use for outbound mail. It’s usually (but not always) the same as the inbound path.