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Windows 7: Office 365 - Merge Exchange account with external imap account

24 Jan 2018   #1

Windows 10 Home 64-bit
Office 365 - Merge Exchange account with external imap account

I hope there is someone familiar with Office 365 :)

I have two questions regarding the Exchange accounts

1) I have bought 5 subscriptions for my company, which allows me to make 5 email adresses. Is it possible not to buy another subscriptions and make more mails? Like in every company, something like or

2) If answer to prior question is "no", how I can operate on two mail servers? I have account on hosting site on which I operated for last 5 years, I'd like to have 5 exchange accounts on office, and keep some mail adresses on my former hosting site. Is there any live-sync option that will transfer email from from my hosting to my account on


My System SpecsSystem Spec
24 Jan 2018   #2

Linux Mint 18.2 xfce 64-bit (VMWare host) / Windows 8.1 Pro 32-bit (VMWare guest)

Here's what I have done:

I wanted to have a permanent email address, and so I purchased a domain. (Let's call it I then went to an email hosting company and asked them to be my registrar and host for I pay about $15 per year to maintain my ownership of; and I pay about $30 per year to have a whole bunch of actual email addresses (hundreds), plus a whole bunch of virtual email addresses.
  • The actual email addresses each have 10 GB of email storage.
  • The virtual email addresses simply forward all incoming email to other email addresses.
Each person who has an actual email address on my domain can check their email either via the webmail interface or via an email program, such as Outlook or Thunderbird. And they can set up the email program to do POP3 or IMAP, but I'm not sure if Exchange is available.

Two email providers I have dealt with are Dotster and Rackspace. I have been very pleased with both.

Dotster will host your web site, if you have one. I'm not sure about Rackspace.
Rackspace will let you do Exchange email, in addition to POP3 and IMAP. I'm not sure about Dotster.

I'm not sure what you mean about two servers. Are you going to host your own email? I don't think that is what you meant, because you said that you have bought five subscriptions for your company, which means that someone else is hosting your email.

As far as a live-sync option, you will need to check with your email provider on that, as well as the cost of email addresses.

I'm not sure how Office 365 works for email.

I hope that this information is helpful for you.
My System SpecsSystem Spec
24 Jan 2018   #3

Windows 10 Home 64-bit

Hey Jim, thanks for your answer!

I think I have found solution, but I must wait to implement it :)
Manage mail flow with mailboxes in multiple locations (Office 365 and on-prem): Exchange Online Help

What I basically wanted to do is on the scheme under the link, but I can replicate it for you.
I have hosting on which I have mails and my webiste and ftp... etc. for like 5 years. We have recently bought 5 subscriptions for Office 365 for 5 persons from the company (rest of the mails are dummy mails, like or or mails for our external consultants). I want that mails to be on office servers. I can do that easily by pointing MX records on my to office servers, which I have done. But then, the mail for only 5 persons works. Rest are bounced, which is totally normal, because Office doesn't have these mailboxes.

So, what I want achieve, is take mails to Office servers for only these 5 persons. If there is no mailbox on Office, it should send it to my old hosting server. Situation like this:

MyHostingServer mails: Office 365 accounts

As you can see, I don't have mailbox for 3 on Office. I want to get emails on 1 and 2 on Office site, and 3 pointed to my old hosting server.

As I can see it's achievable via connectors on Office side, however I must test it :)
My System SpecsSystem Spec


 Office 365 - Merge Exchange account with external imap account

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