Integra

Integra is a large network provider / telecom that has acquired a number of different, smaller companies over the years. They do handle mail for some of these companies, but not for others. Our network provider was bought by Integra around 2006 or 2007, but we always handled our own mail.

They do not publish much information.

Delivering to
There are no published limits for connection. Integra limits sending to 100 emails per address.

Postmaster pages
Integra does not offer a postmaster site.

Feedback loop
Integra does not offer a FBL.

Whitelist
Integra does not offer a whitelist.