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5.1.0 - Unknown address error 552-'Requested mail action aborted: exceeded storage allocation'

valleycomputerworks
on
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Last Modified: 2008-01-09
I am having trouble receiving email consistently. We have an SBS 2003 server at our office. We have a dynamic IP address so we use NO-IP to give us a static IP. Our MX record points to a static mail server owned by our hosting company. That mail server pushes all of the mail to our no-ip address. We have opened the ports on our firewall to allow our SBS to collect that mail and then deliver it through exchange. This setup is great because it allows us to use exchange but not have the stupid 15 minute delay if we use the POP3 exchange tool, or the issue of having all of our mail get flagged as SPAM because we are dynamic if we try and point our MX record to us. THE ISSUE is that it works MOST of the time. Every once in a while a user trying to email us gets this response:

The following message to <DBean@valleycomputerworks.com> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 552-'Requested mail action aborted: exceeded storage allocation'

There is almost no rhyme or reason as we are able to receive email from the same people sometimes but not other times and often if they retry right away or forward us the bounce back, it will work.

Any thoughts?
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Jeffrey Kane - TechSoEasyPrincipal Consultant
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Our internet connection is not very reliable, nor is our server. Where our mail is pointed two has three different internet connections and a backup generator. That way if our server is down the mail will go somewhere until our server is back up.
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Top Expert 2014

Commented:
If your server goes down... it would have to be down for 72 hours before you lose any email.

Jeff
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