Ask HN: Why are most web services "spoofing" the From email header?

2 points

2 years ago

All examples below are "From" headers in emails sent from various web services to our corporate email. This makes it look like we are sending emails to ourselves.

Some examples:

    "'Amazon Web Services' via Redacted - Admin" <admin@redacted.com>
    'Mezmo, Inc.' via Redacted Inc. - Admin <admin@redacted.com>
    'service@intl.paypal.com' via Redacted - Admin <admin@redacted.com>
    noreply-spamdigest via Redacted - Support <support@redacted.com>
    'Shopify Partners' via Redacted Inc. - Admin <admin@redacted.com>

Some notable exceptions:

    Heroku Billing Team <team.notifications@herokumanager.com>
    Wise <info@wise.com>

Questions:

1. What could be the justification for this practice?

2. Does this practice have a name?

3. Is this not considered spoofing?

4. Reading plainly, "X via Y" implies that Y is facilitating something on behalf of X, is this the intended reading?

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