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Set up Mimecast MX Records for inbound mail with Office 365

List of Mimecast inbound mail servers DNS MX records for Europe, UK, US, Canada and other global regions.

Mimecast inbound mail servers

Use a priority of 10 for both mail server entries

Region Hostname
Europe (Excluding Germany) eu-smtp-inbound-1.mimecast.com
eu-smtp-inbound-2.mimecast.com
Germanyde-smtp-inbound-1.mimecast.com
de-smtp-inbound-2.mimecast.com
United States of Americaus-smtp-inbound-1.mimecast.com
us-smtp-inbound-2.mimecast.com
United States of America (B)usb-smtp-inbound-1.mimecast.com
usb-smtp-inbound-2.mimecast.com
Canadaca-smtp-inbound-1.mimecast.com
ca-smtp-inbound-2.mimecast.com
South Africaza-smtp-inbound-1.mimecast.co.za
za-smtp-inbound-2.mimecast.co.za
Australiaau-smtp-inbound-1.mimecast.com
au-smtp-inbound-2.mimecast.com
Offshoreje-smtp-inbound-1.mimecast-offshore.com
je-smtp-inbound-2.mimecast-offshore.com

Mimecast MX records for the UK

For the UK, use Mimecast's Europe MX records

Europe (UK)
eu-smtp-inbound-1.mimecast.com
eu-smtp-inbound-2.mimecast.com

Example DNS MX records for Mimecast (UK)

Type Priority Value
MX 10 eu-smtp-inbound-1.mimecast.com
MX10 eu-smtp-inbound-2.mimecast.com

Check Mimecast MX Records using nslookup

Open Command Prompt

nslookup

set type=mx
yourdomain.com

exit  

Reference:

Mimecast Gateway
https://community.mimecast.com/s/article/Mimecast-Gateway

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