Forum Discussion
Trying to find help for 550 5.7.511 Access denied, banned sender
I run a mail server for many business clients of mine. Microsoft have blocked our IP address, so we cant send to Office365 email addresses. I get a bounce back saying: host cr-studio.mail.protec...
Has anyone got this issue on non-Linode servers? It seems everyone is on linode.
Hi, just reading this post, as I am having same issue since 24 December 2021, and using Linode
Has there been any news on if there is a class action or anti-trust action being initiated over Microsoft blocking a competing hosting provider?
I would expect some action from linode ... but the don't seems to care much ....
Waiting for Microsoft to understand and act is depressing ...
So my email traffic to domains managed by Microsoft is now redirected through outboundsmtp.com ... I can't see a better solution for now.
