Network Tracing Between A Remote Host And A ZCS MTA

KB 21883	Last updated on 2016-06-20	Last updated by Jorge de la Cruz	0.00 (0 votes)	Verified in: ZCS 8.6 ZCS 8.5 ZCS 8.0
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

KB 21883	Last updated on 2016-06-20
0.00 (0 votes)
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

- This article is a Work in Progress, and may be unfinished or missing sections.

Purpose

How to network trace between a remote host and a ZCS MTA.

You can run the following on the MTA to get the trace:

tcpdump -w /root/tcpdump1.cap -s 15000 port 25 and host <Sending_host_IP>

Verified Against: Zimbra Collaboration 8.6, 8.5, 8.0	Date Created: 04/16/2015
Article ID: https://wiki.zimbra.com/index.php?title=Network_Tracing_Between_A_Remote_Host_And_A_ZCS_MTA	Date Modified: 2016-06-20

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Wiki/KB reviewed by	SME1	SME2	Copyeditor	Last edit by Jorge de la Cruz