A client has a Bizhub 350 which is relaying via one of our Exchange servers for Scan to Email. This has been working for long.  Suddenly one day it starts to fail with error EA 3226


Validated we are able to telnet on exchange server on Port 25

Rebooted konica Bizhub 350 multiple times no success

Finally occurred that recently we have secured our server with AntiSpam settings, Disabled all of them and it started to work

Then wanted to see specifically which setting is causing the issue , Under recipient filtering found that there is a check box “block messages sent to recipients not in the global address list”

Unchecked this setting and restarted Exchange Transport service from Services.msc

Its working fine now


Disable Exchange Antispam settings


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An automobile enthusiast at heart and computer geek by profession, started my Career with MS in 2005.Left Jobs and started Pledge Technologies (the parent company to Grishbi) back in 2009.We have been providing IT consulting to various Small and Medium businesses across US and UK since then.Our company specialises in Microsoft Server technologies like AD, Exchange, the rest and with numerous Office 365 migrations under our belt, we quite an expert with that too. Whatever we learn in our day to day life, we share it back on Grishbi as a Thank for all the love and support our customers have given us.
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