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I noticed that SE staff do not write their full email in their bio.

Example here:

If there's anything you think I could help you with, you can reach me at stackoverflow.com: jnat@...

And here:

As you might expect, my email starts with Catija and ends with stackexchange.com. If you have a good recipe for cake... or community building, please reach out.

Since emails aren't blocked in a bio, why do they do this?

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    The only thing wrong I could find with this question was the email tag, which according to its description is for questions about e-mails SE/SO sends to people, not e-mail adresses in community manager's profiles... So I've changed that :)
    – Tinkeringbell Mod
    May 15, 2020 at 11:58
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    While I don't work here, I did that for a week. I got some guy asking me for free forensics help. They'll get deluged with garbage. May 15, 2020 at 12:07

2 Answers 2

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Because they don't want to attract spam emails from companies using email scrapers.

The Wikipedia page on Email-address harvesting explains:

Email harvesting is the process of obtaining lists of email addresses using various methods. Typically these are then used for bulk email or spam.

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To prevent automatic crawlers

Having your e-Mail address on your bio is a surefire way to get on a lot of spam lists very quickly.

Of course, writing it down like this isn't going to stop a determined spammer, but it keeps the bots away that look for a construct like <something>@<something>.<something> and report it as e-Mail address.

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