RE: POP3 to SMTP
- From: v-stezhu@xxxxxxxxxxxxxxxxxxxx (Steven Zhu [MSFT])
- Date: Mon, 06 Feb 2006 09:48:58 GMT
Hi George,
Thanks for posting here.
From your post, I understand that your clients changed email domainaddress, and then you have a few questions. If I am off-base, please feel
free to let me know.
Actually, the POP3 service performs the tasks of message download and
request handling on a Windows-based server, where message download consists
of transmitting the messages from a folder in the file system to clients
and request handling is performed according to the POP3 protocol, which
defines how the server responds to requests sent from an e-mail client.
The SMTP service receives e-mail from the Internet, saves the e-mail to the
Queue folder, and notifies the SMTP delivery service for POP3 of the
arrival of e-mail. The delivery service then moves the e-mail to the POP3
mail store, where it is available for download to POP3 e-mail clients.
In the meantime, I'd like to answer your detailed questions one by one
inline:
Q1. Currently they use POP3 to download there messages, I will be changing
them to SMTP, I have contact the ISP and the MX records can be changed, no
problem and they will do a mail backup for 5 days. My question is, other
than setting up SMTP to receive the email is there anything else I need to
do?
A1. Based on my experience, you are no need to do anything. But for secure
advisement, I suggest you refer the following knowledge base articles:
How to prevent unsolicited commercial e-mail in Exchange 2000 Server
http://support.microsoft.com/kb/319356/en-us
How to secure Simple Mail Transfer Protocol client message delivery in
Exchange 2000 Server
http://support.microsoft.com/kb/319267/en-us
Q2. Do I just run the CICEW and inject the new domain name?
A2. Yes, I suggest you run the CICEW to check the new domain name.
Q3. What happens to the old email, will people still be able to reply to it?
A3. The people will still be able to reply the old email to the user. But
you must make sure the following steps have been successfully configured:
1. Configure the original MX Record to point the SMTP server on the DNS
Server.
2. How to Manage the Default Recipient Policy
a.) Click Start, point to Programs, point to Microsoft Exchange, and
then click System Manager.
b.) Expand the Recipients object, and then double-click Recipient
Policies.
c.) Right-click Default Policy in the right pane, and then click
Properties.
d.) Click the E-mail Addresses (Policy) tab.
A list of generation rules for e-mail addresses is displayed. Rules exist
for SMTP and X.400 addresses. You can edit these rules, but you cannot
remove them. For example, if your organization decides to change its e-mail
address from ".com" to ".co.us," click the SMTP rule, and then click Edit.
e.) In the Address field, check the original SMTP address.
f.) Click OK.
3. Add a New Address
You must add a email domain address for original a mailbox-enabled user in
Active Directory Users and Computers:
a.) Start Active Directory Users and Computers.
b.) In the console tree, expand the domain. Double-click Users, or
double-click the node that contains the recipient information you want to
modify.
c.) In the details pane, double-click the recipient for whom you are adding
an address.
d.) In the E-mail Address tab, click New.
e.) In the New E-mail Address dialog box, add the original user email
domain address, and then click OK.
f.) When there are multiple addresses for an address type, the primary
address appears as bold. To change the primary address, select the address
you want to use for the primary address, and then click Set as Primary.
Note: By default, if a newly create email domain address is the only one
of its type, it is the primary address and will appear as bold.
Q4. Is there anything that I should be aware of before I commit to doing
this for the client?
A4. Based on normal environment, the client will be change automatically.
I hope the above information helps.
Have a nice day.
Best Regards,
Steven Zhu
MCSE
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
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