When @ is in the link line

When @ is in the link line

Hi there,
 
When we have a ex. download link with @ in the adr. line the system automaticly thinks its an e-mail.
Why does it do that? It should open the file instead, and if i want an e-mail opend then my link adr. should start with mailto:

ftp://ec:ec@ftp.edge-team is a part of the line and you can see the @

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