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As far as i was aware, to have emails working through outlook express, both the POP3 (provided by the server host) and the SMTP (provided by your ISP) are needed.
This is how i have done emails before, and they have worked.
To my knowledge, the POP3 part is to do with where your website is hosted.
Because of this, i also beleived that if a domain name was to go down, then the email facility would no longer work.
Let me try and explain it a little better.
Say i had the domain name www.webboy.com, and my email was email@example.com. Also assume my ISP is BT.
My POP3 would be something like mail.webboy.com and my SMTP would be something like SMTP.bt.com.
This would allow me to send and receive emails at firstname.lastname@example.org through outlook.
To my knowledge, if i were then to transfer my domain to another server.....effectively the domain does not exist for a little while, and in turn the email would not work. i.e. if the domain does not exist, then the POP3- mail.webboy.com would not exist either.
does this make sense?
My problem is that i have a domain name i wish to transfer to another server. The company who own the domain name recieve and send a lot of emails per day and cannot afford there email not to work for a few days.
Is there anyway i can transfer there domain yet still keep there emails working?
If you are talking about transferring a domain then I do this regually without any problems. This is how I do it.
Give the new host all the details of you email addresses and upload a copy of your site to their server (they can give you an ftp address that doesn't need you domain name). Ensure they have setup your DNS record.
Order the domain transfer (takes about a day to go through the internet)
On completion. Tell your old host to delete your accounts. Alter your local POP3 and SMTP local settings (in outlook).
This will ensure no emails are lost during the transfer because both ends are active until the transfer is complete.
MX Record is the Mail Exchange record
A Record is a mapping between IP address and a domain name.
Your website uses an A Record.
Your email uses a MX Record.
So therefore you can have your email and webpage on two different servers.
You might need to check mails from both mail servers during this period. You can also ask your old ISP to set up a gateway to forward your mails from their mail server to the new mail server.
Here is the chronology:
1/ You set up a new email account not on the domain being transfered, i.e. hotmail.
2/ You get the old host to put a catchall divert from your domain to your new hotmail account.
3/ You ask your new host to do the same.
4/ You then change the DNS on your domain and wait for propagation.
At no time during propagation will there be any ambiguity to which "version" of mail.yourdomain.com are you "seeing" or any possibility of some emails being stranded on the old mailserver after propagation has completed because before, during and after propagation the emails are never actually staying on either mailserver, they are going straight to your hotmail account.
It is always a good idea to leave the old hosting in place (complete with mail redirect) for a good week because of the dreaded "ISP cache". Although a DNS change almost completely propagates within 48 hours, some ISP's customers can see the "old" version of a site/mailserver up to a week later.
In the UK, British Telecom's ADSL service BTOpenWorld is famous for this. I had a recent client who moved to me and I had made a few changes to his site for him after propagation. He rung me up to say that he couldn't see the changes (on his BT connection) 8 days after the DNS change! He was still seeing the site hosted by his old ISP. It resolved a couple of days later but that was some propagation time!