Nothing to do with orig Q, but for readability I check length of email alias
and if longer than fieldwidth, I introduce a break myself at @.
Much easier to parse in a hurry...

>>>What happens is that if the email address is longer than the column width allows,
>>>

>>>EMPLOYEE                   EMPLOYEE NAME                        EMAIL ADDRESS
>>>123ABC                        John Smith                                   john_smith@
                                                                                                    longcompany.com
>>>