Should plus be encoded in mailto: hyperlinks?

Posted by Jeff Atwood on Pro Webmasters See other posts from Pro Webmasters or by Jeff Atwood
Published on 2011-06-25T18:53:26Z Indexed on 2011/06/26 0:30 UTC
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hyperlink

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url-encoding

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mailto

When placing an email address with an address tag (aka sub-addressing) in a mailto hyperlink …

<a href="mailto:[email protected]">mail us now!</a>

… should the plus in the email be URL encoded?

<a href="mailto:username%[email protected]">mail us now!</a>

I can't figure this out, and the documentation is conflicting. Our real world tests have produced mixed results as well, making it even more confusing.

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