CyberHunter
// Email

Port 3007: Lotus Mail Tracking Agent Protocol

Port 3007 is assigned by IANA to lotusmtap (Lotus Mail Tracking Agent Protocol).

3007

How lotusmtap works

Email
your servertheir serverlotusmtap youthemlotusmtap

Mail servers hand messages to each other over port 3007, one hop at a time, until the recipient's server.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Email
01 Security

Is port 3007 dangerous?

We have no specific security note for port 3007. Its risk depends on the program actually listening on it. General advice for email services:

  • Require TLS and authenticated submission.
  • Make sure the server is not an open relay.
  • Publish SPF, DKIM and DMARC for the domain.
02 Registry

IANA registry entries for port 3007

ServicePortTransportDescriptionReferenceUpdated
lotusmtap 3007 TCP, UDP Lotus Mail Tracking Agent Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3007, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3007'      # process listening on 3007
sudo lsof -nP -i :3007

macOS

sudo lsof -nP -i :3007

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3007 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3007
netstat -ano | findstr :3007

From another machine

nmap -p 3007 -sV <host>
sudo nmap -sU -p 3007 <host>
nc -zv <host> 3007

Block it in the firewall

sudo ufw deny 3007/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3007" -Direction Inbound -LocalPort 3007 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3007 used for?

Port 3007 is assigned by IANA to lotusmtap (Lotus Mail Tracking Agent Protocol).

Is port 3007 TCP or UDP?

Port 3007 is registered for TCP and UDP.

Is it safe to open port 3007?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Require TLS and authenticated submission.

How do I check if port 3007 is open?

On Linux run "ss -ltnup 'sport = :3007'", on macOS "lsof -nP -i :3007", and on Windows "netstat -ano | findstr :3007" to see the local process. From another machine, "nmap -p 3007 <host>" shows whether it is reachable.

05 Related