Comments (3)
copper email solution used port number 25 for smtp mail sending.
But GCP has blocked port 25 for mail sending.
https://cloud.google.com/compute/docs/tutorials/sending-mail/
So it is good to up the system with port 465.
We are working on it now.
from copper.
GCP had proposed to use NAT to use another port like 465 and 587 instead of 25. But the issue is our kubernetes cluster has loadbalancer type service which is opened to internal. This is not the NAT implementation architecture. Other option GCP had proposed is mail relay. There are free mailrelays we can use our perpose until we build our own one.
from copper.
We could complete mail sending to external domain using a external mail rellay only. When we try to communicate with standard email ports with external mail servers those outbound traffic is blocked in GCP. So we configured our own mail relay in AWS and connected with it from port 2525. Now external mail sending is ok .
from copper.
Related Issues (20)
- Include filebeat to email server image HOT 1
- Copper live demo with AWS HOT 1
- AWS deployment HOT 1
- Copper GCP deployment HOT 1
- Copper-server GCP Cluster Resize to 1 node HOT 1
- Copper-hub GKE cluster resize to 1 node HOT 1
- Logstash request filtering for elastic search HOT 1
- Logstash filter creation for, filter necessary logs only HOT 1
- Send calander invites to external users HOT 1
- Rules creation for email
- Certificate file Create automation to use with Ingress. HOT 1
- Remove Loadbalancer services and introduce nodeport with suitable ports and paths. HOT 1
- Mail relay deployment HOT 1
- Build customized docker image with alert manager for kubernetes cluster HOT 1
- Ingress configuration not work in GKE. HOT 2
- k8s Ingress backend forbidden due to permission issue HOT 1
- clamav update cron jobs HOT 1
- Filters not active in group office HOT 2
- Remove hostpath volumes HOT 1
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from copper.