New answers tagged smtp
Most likely, your archiver only encrypts file contents by default, and leaves filenames in clear text. This allows a user to browse the archive and selectively extract individual files by name. WinRAR is one such archiver. Try renaming your file before archiving it, or enable filename encryption before sending.
Google is getting out of the business of sending email using domains that it does not administer, because it stands in the way of implementing rules that reduce spoofed email, such as DMARC. This also has the side effect of encouraging customers to host their email domains with Google. Google is grandfathering existing email adddress configurations, but ...
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