Cloud Office Email - DNS Configuration

DNS Configuration for Cloud Office Emails

1. MX Records

The first step in configuring your DNS is updating your MX records. MX records tell the world which server should receive e-mails destined for your domain, and deliver it to you. You can usually find the MX records in the same Control Panel you use for managing your DNS. You can safely keep your website hosted with another provider and only use PolarisMail for the e-mail.

You should first remove all other MX records and then add the following, with the specified preference:







It is not recommended to create CNAME records within your domain that point to Cloud Office Email - MX records and using that CNAME as your MX records.

2. Webmail Record

In order to take advantage of our Branding features, you must configure CNAME records within your domain for the webmail host.

You must create:



Forwards to


3. Autodiscover Records

In order to simplify the configuration of modern e-mail clients such as Outlook and Thunderbird, as well as all your mobile devices, you can now use our Autodiscover & Autoconfig web services to automatically configure these clients. You have to add two *A* records in the DNS for your domain:

Basic and Enhanced Accounts:

A record hostname

Points to



Microsoft Exchange Accounts:

A record hostname

Points to



4. Mail Server Records (optional)

You can create CNAME records for your domain that point to the various PolarisMail incoming & outgoing servers and also to the admin/user control panels:


Forwards to





5. SPF Record

SPF record is a TXT record that specifies a list of authorized hosts that can send e-mails on behalf of a domain.

You must use the following SPF record.

v=spf1 -all

6. DKIM Records

At the moment we don't support DKIM on Cloud Office Email platform

  • Cloud Office Email, Professional Email, DNS Configuration
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