#500 Firewall Error ##
Occasionally I have received the following error when trying to send emails to other organisation from Exchange 2007:
Diagnostic information for administrators:
Generating server: exchange-server.internal.domain.com
[email protected]
external.mail.server.domain.com #500 Firewall Error ##
It turns out that this is actually due to the Cisco router inspecting SMTP traffic. Entering the command below into IOS fixed the issue:
no ip inspect name SDM_LOW esmtp
about me
Hello! My name is Cameron Fletcher and I'm a .NET software developer working in Zurich. I have a keen interest in Domain Driven Design and Agile Methodologies. I have been involved in helping deliver solutions across a wide range of industries and businesses including investment banking, mortgage services, asset management, retail banking, logistics, and telecommunications. I have run variations of this website since 2004.
A copy of my CV can be found here.
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