I can think of 3 ways to get mail delivered to multiple mailboxes.
1) "forward" works with miltiple email addresses i believe (separted by commas). Tell it to not delete email from the mailbox after forwarding. You create an email account "Sales" and set up forwarding to your personal email accounts.
2) An alias can work, but you can not send email from an alias (being discussed a lot recently)
The question is, are you planning to log into "sales" to send the responding email out ?
www.HawaiianHope.org - Providing technology services to non profit organizations, homeless shelters, clean and sober houses and prisoner reentry programs. To date we have given away over 1,000 free computers.