Can I add an external address as alias for internal user?

[Alan]

Hello,

Need some advice please.

We have a few users who are transferring from company A to company B.

Their old address is us...@companyA.com and their new address is
us...@companyB.com.

If anyone in their new company B still sends mail to their old address
at company A, I want it to go directly to their new address without
going to their old compnay and being fowarded back.

What's the best way to do that?

I don't want to add new recipient policies because they are so few.
Also, I don't want to hinder any other mail to people still in their
old company.

Thanks,

- Alan.

[iann]

On Oct 11, 9:26 am, Alan <bru...@gmail.com> wrote:
> Hello,
>
> Need some advice please.
>
> We have a few users who are transferring from company A to company B.
>

> Their old address is u...@companyA.com and their new address is
> u...@companyB.com.

>
> If anyone in their new company B still sends mail to their old address
> at company A, I want it to go directly to their new address without
> going to their old compnay and being fowarded back.
>
> What's the best way to do that?
>
> I don't want to add new recipient policies because they are so few.
> Also, I don't want to hinder any other mail to people still in their
> old company.
>
> Thanks,
>
> - Alan.

The best way to accomplish what you want is to setup a forward from
the old account. I am not aware of a way to create an external alias.
Mail directed to a particular domain have to be routed through an mx
record externally. Internally you can add whatever email address you
want to a user and exchange will route it.

[Alan]

Thanks. A forward causes problems with anti-spoofing rules if the
message does a company a - company b - company a trip.

Does Exchange really use DNS if I add us...@somewhere.else as a
secondary address and then send a message to that address from someone
else in the same AD/Exchange organisation? I was hoping it would just
resolve the secondary address to the right user.

[iann]

On Oct 11, 4:21 pm, Alan <bru...@gmail.com> wrote:
> Thanks. A forward causes problems with anti-spoofing rules if the
> message does a company a - company b - company a trip.
>

> Does Exchange really use DNS if I add u...@somewhere.else as a

> secondary address and then send a message to that address from someone
> else in the same AD/Exchange organisation? I was hoping it would just
> resolve the secondary address to the right user.
>
> On Oct 11, 6:06 pm, iann <nguy...@gmail.com> wrote:
>
>
>
> > On Oct 11, 9:26 am, Alan <bru...@gmail.com> wrote:
>
> > > Hello,
>
> > > Need some advice please.
>
> > > We have a few users who are transferring from company A to company B.
>
> > > Their old address is u...@companyA.com and their new address is
> > > u...@companyB.com.
>
> > > If anyone in their new company B still sends mail to their old address
> > > at company A, I want it to go directly to their new address without
> > > going to their old compnay and being fowarded back.
>
> > > What's the best way to do that?
>
> > > I don't want to add new recipient policies because they are so few.
> > > Also, I don't want to hinder any other mail to people still in their
> > > old company.
>
> > > Thanks,
>
> > > - Alan.
>
> > The best way to accomplish what you want is to setup a forward from
> > the old account. I am not aware of a way to create an external alias.
> > Mail directed to a particular domain have to be routed through an mx
> > record externally. Internally you can add whatever email address you

> > want to a user and exchange will route it.- Hide quoted text -
>
> - Show quoted text -

It would just resolve the address. Say you add al...@gmail.com to your
account as a secondary email address in Exchange. If someone inside
your org sends to that address, Exchange will route that email to your
exchange account.

[Benjamin KILONZO]

Hi Alan,
Here is how you can sort the issue using exchange 2003.
Ensure that the user has an AD account then go to the properties of their account->choose Email Addresses tab ->under the options click New-Choose SMTP address ->Enter the users other address and -> apply->ok
Afterwards you may choose which address is preffered i.e when the user sends mail should it display address A or B.
Click on the address preffered and specify set as Primary.

Hope this helps.

Benjamin

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