On 2022-01-04, Byung-Hee HWANG via Exim-users <[email protected]> wrote: > Terrance Devor via Exim-users <[email protected]> writes: > >> I have read that google blocks port 25 and 465. We absolutely need to run >> our email own email servers on GCP using our Kubernetes cluster. Did anyone >> succeed in this? > > Currently i am running Postfix on GCP, Ubuntu 18.04 LTS as Google > Computer Engine. You can open INGRESS (port 25 inbond). However you > cannot open ENGRESS (port 25 outbond). So you should use outside SMTP > for sending. In my experience, Mailgun and Amazon SES are good for > sending. They offer special ports such as 2525, 2587 for relaying. > > Sicerely, Byung-Hee
I suspect they block outbound to 25 to prevent complaints that their address range is in spamhaus DUL -- Jasen. -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
