Is it necessary to wrap long lines when sending emails ?

Posted by understack on Stack Overflow See other posts from Stack Overflow or by understack
Published on 2010-04-23T05:35:11Z Indexed on 2010/04/23 5:43 UTC
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I'm using Zend_Mail to send emails. Few articles have suggested to wrap long lines in message body.

Questions:

  1. Is it necessary to use wordwrap(), in case any of line is larger than 70 characters?

  2. Where does this '70' figure come from?

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