Ask HN: How AliExpress gets its recommendation as priority in Gmail? | Hacker News Reader

Ask HN: How AliExpress gets its recommendation as priority in Gmail?

AliExpress regularly sends e-mails with recommended items. Somehow, they were able to hack Gmail's filter to make it always notify you instead of relegating it into "offers" folder. I confirmed with my friends they also experience this. How?

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Now, here are two interesting bits:

1) They seem to change sender e-mails frequently

2) There's this "thing" in the HTML source. Maybe it's to trip up the filter and cause a fail-safe?

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