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Mailer Daemon

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Old Friday, May 7th, 2010   #1
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Default Mailer Daemon

Within the past two months, I have been getting sent mail kicked back from addresses.

The latest is from : "Mail Delivery Subsystem" <>

who says:
>>The original message was received at Fri, 7 May >>2010 16:57:25 -0700
>>from []

>> ----- The following addresses had permanent fatal >>errors -----
>> (reason: 554 delivery error: dd This user doesn't >>have a account >>( [0] - >>

>> ----- Transcript of session follows -----
>>... while talking to
>>>>> DATA
<<< 554 delivery error: dd This user doesn't have a >> account ( >>[0] -
>>554 5.0.0 Service unavailable
Problem is, she DOES have an account, and she has been sending and receiving emails for five years!!!

What is happening here?
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Old Monday, February 28th, 2011   #2
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Default Re: Mailer Daemon

Is that their correct address? Double check it for spelling errors. Sometimes people get a new email program and they mistype their email address resulting in a problem where they can send email but replies back to them bounce. This can also be caused by a type-o in your address book.

Some spam filters will provide misleading information with 5xx rejections too, but I don't believe that was the problem here.

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