port

587 (submission)

Port 587 (submission): SMTP submission, email submission from clients.

Port 587 is open on 10 hosts in your infrastructure, across 6 operating systems.

Hosts listening on port 587:

host
staging-mail-hera (SHA=19d42682…)
OS: Windows 2022IPs: 127.0.0.1, 2a05:d014:1000:565:9645:f1df:955b:e014, 52.28.199.53, 52.28.95.124, 54.93.44.58
host
staging-mail-zeus (SHA=9a50e05a…)
OS: RHEL 8IPs: 127.0.0.1, 2a05:d014:1000:f391:2bda:85d:efa8:9349
host
dev-mail-saturn (SHA=a20bc170…)
OS: Ubuntu 20IPs: 127.0.0.1, 13.48.108.11, 18.130.173.215, 18.130.179.34, 2a05:d014:1000:69af:8ea3:752f:49e3:5b7e
host
dev9-mail-saturn (SHA=a32da373…)
OS: Ubuntu 22IPs: 10.0.133.196, 127.0.0.1, 2a05:d014:1000:9b92:7dc2:9ed0:cd98:8fb, 34.240.177.54, 54.93.248.33
host
staging-mail-jupiter (SHA=adea5cb4…)
OS: Windows 2022IPs: 127.0.0.1, 2a05:d014:1000:4e4c:9cbd:dc9b:60b6:1094, 3.120.133.2, 34.240.46.114, 54.93.214.153
host
staging3-mail-saturn (SHA=b5fa8655…)
OS: Windows 2022IPs: 127.0.0.1
host
testing-mail-neptune (SHA=c15ad193…)
OS: Ubuntu 24IPs: 10.0.212.88, 127.0.0.1, 18.130.76.71, 2a05:d014:1000:5790:3a7:3dd2:e2dd:4586, 54.93.66.78
host
testing2-mail-athena (SHA=cb55e923…)
OS: Ubuntu 24IPs: 10.0.166.1, 127.0.0.1, 2a05:d014:1000:7fc6:a1f2:313:8b5f:d884, 34.240.73.169
host
production-mail-venus (SHA=e19c1f48…)
OS: CentOS 7IPs: 127.0.0.1, 3.120.29.91, 3.120.44.50, 54.93.19.105
host
staging1-mail-mercury (SHA=e2e31f9d…)
OS: RHEL 8IPs: 127.0.0.1, 18.130.223.135, 3.120.97.71