Prolateral Consulting Ltd
Prolateral Consulting Ltd
Knowledgebase Articles
Setup examples

Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.


My email client will not connect to the outMail server?
I cannot send emails?



Please ensure you have set the correct server address, username and password in your outbound SMTP server settings. If you need further instructions on this then please go back to Support / Help section and search for your client. E.g "outmail outlook" or "outmail exchange" or "outmail iPhone", etc..


Certain ISP's (Internet Service Providers) block TCP Port 25 going out of their networks. So try TCP Port 587 instead. If your ISP blocks both ports then raise a support ticket at and we can arrange for a different port to opened for you.

Summary of server details

Outgoing server

As provided in your signup email.

Outgoing server protocol


Outgoing server port

25, 465, 587, 2525 or 8025

Authentication Type

Basic Authentication, SSL and TLS supported


As provided


As provided


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