Welcome to Emarsys Postmaster page!

If you ended up on this page, you are most likely either looking for information about Emarsys-owned IP ranges and domains to add to your allow-list, or you have entered one of the Emarsys owned domains to your browser. 

On this page you will find:

If you want to report abuse or get in touch with our deliverability or compliance teams, please write to: 
abuse-report@emarsys.com. 

The Emarsys Anti-Spam Policy 

The Emarsys Privacy Policy 

IP ranges used by Emarsys AG and Emarsys Inc  

45.86.116.0/22 (1024 addresses) 

45.87.196.0/22 (1024 addresses)

83.68.134.0/23 (512 addresses) 

91.194.248.0/23 (512 addresses) 

91.211.240.0/22 (1024 addresses) 

185.4.120.0/23 (512 addresses) 

185.4.122.0/24 (256 addresses) 

185.90.20.0/22 (1024 addresses) 

194.113.24.0/22 (1024 addresses) 

195.54.172.0/23 (512 addresses)  

217.175.194.0/24 (256 addresses)  

Domains and subdomains owned by Emarsys (used in email headers) 

emarsys.com 

emarsys.net 

emarsys.us 

emsmtp.com 

emsmtp.us 

Shared “Returnpath:” header domains used by our clients  

xpressus.emarsys.net 

xpressus.emarsys.us 

xpressus.emsmtp.com 

xpressus.emsmtp.us 

MX records used for bounce and reply management 

mx.eemms.net 

return0.emarsys.net 

return1.emarsys.net