Overview
If you’re having problems with certain contacts failing to receive your emails, you could ask your administrator to allow the below IP sending ranges. This will ensure emails are allowed through their message filtering and arrive in your contact’s inbox.
Europe (region 1)
- 94.143.105.1 - 94.143.105.255
- 94.143.106.1 - 94.143.106.255
- 94.143.107.1 - 94.143.107.255
- 94.143.108.1 - 94.143.108.255
North America (region 2)
- 212.1.218.1 – 212.1.218.255
- 212.1.219.1 – 212.1.219.255
Asia Pacific (region 3)
- 212.1.222.1 - 212.1.222.255
- 212.1.223.1 - 212.1.223.255
Here are some further IPs that may also need to be considered.
External dynamic content for Europe (region 1)
- 52.174.92.164
External dynamic content for North America (region 2)
- 104.208.235.109
External dynamic content for Asia Pacific (region 3)
- 104.210.118.87
Dynamics CRM connector for Europe (region 1)
- 23.101.50.109
- 23.102.11.18
- 23.102.18.218
- 40.85.101.127
- 40.127.207.8
- 168.61.83.197
Dynamics CRM connector for North America (region 2)
- 13.68.20.229
- 13.68.22.210
- 13.68.30.243
- 20.190.237.249
- 40.79.40.67
- 40.84.63.147
Dynamics CRM connector for Asia Pacific (region 3)
- 52.237.219.144
- 52.237.242.56
- 52.237.243.40
- 52.237.243.42
- 104.210.65.149
Salesforce connector for Europe (region 1)
- 40.69.43.141
- 40.127.143.93
- 52.169.177.10
- 52.169.188.52
Salesforce connector for North America (region 2)
- 13.68.21.184
- 40.84.2.30
- 40.84.3.8
- 40.84.7.130
Salesforce connector for Asia Pacific (region 3)
- 52.237.218.85
- 52.237.222.198
- 52.237.240.76
- 52.237.242.158
CopyKat tool (surveys and forms) for Europe (region 1)
- 52.174.89.238
CopyKat tool (surveys and forms) for North America (region 2)
- 104.209.176.135
CopyKat tool (surveys and forms) for Asia Pacific (region 3)
- 40.126.251.67
In addition, here are some IP addresses and DNS names that you may just want to be aware of, as it's possible you could see them get flagged when performing a health check on any custom from addresses (CFAs).
However, don't be concerned - these IPs relate to incoming email only and don't have a negative effect on your sends.
To learn more, check out the article Why is my custom from address (CFA) being flagged on Spamhaus' PBL?
Bounce and reply handling for Europe (region 1)
- Name: smtp-in-1.dotmailer.co.uk/r1-smtp-in-1.dotmailer.co.uk
13.95.236.86 - Name: smtp-in-2.dotmailer.co.uk/r1-smtp-in-2.dotmailer.co.uk
52.174.157.26
These IP addresses are also used by emailsim. To learn more, check out http://emailsim.io/.
Bounce and reply handling for North America (region 2)
- Name: r2-smtp-in-1.dotmailer.com
137.116.86.81 - Name: r2-smtp-in-2.dotmailer.com
104.209.221.237
These IP addresses are also used by emailsim. To learn more, check out http://emailsim.io/.
Bounce and reply handling for Asia Pacific (region 3)
- Name: r3-smtp-in-1.dotmailer.com
13.73.192.14 - Name: r3-smtp-in-2.dotmailer.com
104.210.112.217
These IP addresses are also used by emailsim. To learn more, check out http://emailsim.io/.