issue with specifying name while sending mail

My co开发者_Go百科de:--

from = @site.name + ", <no-reply@" + @site.url + ">"
mail(:from => from , :to => @recipient.email, :subject => "Invitation mail") 

Error is:--

 Net::SMTPSyntaxError (501 5.1.7 Bad sender address syntax 
):

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Get rid of the comma between @site.name and your < bracket. You're trying to do this:

My Name, <no-reply@mysite.com>

When it should be:

My Name <no-reply@mysite.com>