InMotion Hosting Support Center

500 Firewall Error

Category: Email

2013-05-22 11:12 am EST

Hits: 635
Hi there.

We're getting a 500 Firewall Error when we send emails to an email account we set up and checked via RoundCube. Here is an example of the bounceback error:

From: Microsoft Outlook
Sent: Sunday, May 19, 2013 12:53 PM
To: Kevin Jardine
Subject: Undeliverable: canfit rejected your message to the following e-mail addresses:

Jacqueline Walters ( ( gave this error:
Firewall Error

A problem occurred during the delivery of this message to this e-mail address. Try sending this message again. If the problem continues, please contact your helpdesk.

Diagnostic information for administrators:

Generating server: SERVER.domain.local #500 Firewall Error ##

Original message headers:

Received: from SERVER.domain.local ([fe80::39e3:518a:e0b9:f0e4]) by
SERVER.domain.local ([fe80::39e3:518a:e0b9:f0e4%10]) with mapi id
14.01.0438.000; Sun, 19 May 2013 12:51:55 -0400
From: Kevin Jardine <>
To: "Jacqueline Walters ("
Subject: canfit
Thread-Topic: canfit
Thread-Index: Ac5UsTMRa2KFgfDNSOu1X4qFRtxzaA==
Date: Sun, 19 May 2013 16:51:54 +0000
Message-ID: <4B636F5BB235164294C2C1CF52D96235010A3DDF@SERVER.domain.local>
Accept-Language: en-US
Content-Language: en-US
x-originating-ip: []
Content-Type: multipart/alternative;
MIME-Version: 1.0

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5,889 Points
2013-05-22 11:31 am EST
Thank you for your question Collaborans!

It appears your local Firewall is preventing your from emailing out from your location. Try changing locations and sending the email. You may have a restriction on the network your on. This is common with College, Government, and other networks.

Best Regards,
James R

You must login before you can post a comment about this answer.

So you are saying that the emails sending to this address are at fault, and not the email receiving it?
8 Points
2013-05-22 11:46 am EST
The person sending the email has the firewall problem.

Received: from SERVER.domain.local

Comming form their local network.

Best regards,
James R
5,889 Points
2013-05-22 11:58 am EST
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