Is postfix the right tool for detecing and stripping out email addresses that forward to the same address?

[Steve Dondley]

My scenario: I have several email accounts: EmailA, EmailB, EmailC, 
EmailD, etc.. Then I have a fifth gmail account, EmailE, that I use to 
funnel/forward all my other email addresses to. The gmail account then 
forwards all email to my main email, EmailA. Yeah, it's a mess. Yes, I 
will eventually cut out the gmail middleman and have everything forward 
directly to EmailA. But in the meantime...

My problem: Very often, people will not be sure which email address to 
send to. So they will send to two or even three different email 
addresses.. So when I hit reply-all, some of my other address are cc'd 
and when they reply to my email, I can sometimes get duplicate emails. I 
could change the headers when I send an email. But this is a pain.

What I'm looking to do: When I hit reply-all, I'd like for EmailA, B, C, 
D and the gmail account to be stripped out automatically from all 
headers and just have the from and reply-to headers only come from the 
EmailA address.

Before I go through the pain of doing this, I want to be sure postfix is 
the right tool for this job so I'm not spinning my wheels.

Thank you!