On Wed, Apr 08, 2009 at 11:32:24AM -0500, Walt Park wrote:

> Greetings,
> 
> I have some develpers that want to do.. strange things with the to, from,
> and/or reply_to fields for routing. They are concerned that there may be a
> limit to the string length they can use either before or after the @ in the
> address in the to: from:, and reply_to: .

If they are concerned, they are probably doing the wrong thing. The syntax
of email addresses is defined in RFCs 5321 and 5322. Most relevant are:

    http://tools.ietf.org/html/rfc5321#section-4.5.3.1.1
    http://tools.ietf.org/html/rfc5321#section-4.5.3.1.2
    http://tools.ietf.org/html/rfc5321#section-4.5.3.1.3
    http://tools.ietf.org/html/rfc5321#section-4.5.3.1.4

-- 
        Viktor.

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