bounce error : message has lines too long for transport

Anonymous

I am using outlook 2021, recently many of my emails rejected, and I am getting the below massage regardless to whom i sending to (some pass without any issue)

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This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:

**information removed due to privacy policy**

message has lines too long for transport

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report shows

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X-Mailer: Microsoft Outlook 16.0

Thread-Index: **information removed due to privacy policy**

Content-Language: ar-jo

X-Exim-DSN-Information: Due to administrative limits only headers are returned

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Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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109 answers

Anonymous

2022-11-30T11:06:52+00:00

I have got this issue too. I tried all suggestions but nothing is work. is there an update or fix yet?
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Anonymous

2022-11-22T13:41:58+00:00

We are facing the same issues . that is a new issue i don't see before.
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Anonymous

2022-11-21T05:40:49+00:00

Dear Ahmad Altaher,

This issue is solved for me - I composed a new email then copy and pasted the content from the existing thread.
.....
If you want to reply on the same thread , Cut and paste the content ..
.....
i think the first solution will work fine...
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2 people found this answer helpful.

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Anonymous

2022-11-17T17:17:55+00:00

I have got this issue which started happening today? is there a fix yet?
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Anonymous

2022-11-02T04:24:24+00:00

How are you accessing the headers to delete those characters?
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