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Why do ONLY SOME of my e-mails get rejected

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This is the rejection message I receive. "This is the mail system at host know-smtprelay-7-imp. I am sorry to have to inform you that your message could not be delivered to one or more recipients. The message is attached below. The remote mail system said: For explanation visit http://postmaster.1and1.com/en/error-messages?ip=80.0.253.71"

It initially happened last week on this e-mail address "roy@tovey.biz" (+ others). I even got roy to e-mail me and then "replied" but it was still rejected.

My ISP is Virginmedia. If I log in to Virgin media and use the e-mail to send the same message it does not get rejected. I've contacted Viginmedia and they have checked everything they can and say it appears top be a Thunderbird anomaly.

It's very weird. Any ideas?

This is the rejection message I receive. "This is the mail system at host know-smtprelay-7-imp. I am sorry to have to inform you that your message could not be delivered to one or more recipients. The message is attached below. The remote mail system said: For explanation visit http://postmaster.1and1.com/en/error-messages?ip=80.0.253.71" It initially happened last week on this e-mail address "roy@tovey.biz" (+ others). I even got roy to e-mail me and then "replied" but it was still rejected. My ISP is Virginmedia. If I log in to Virgin media and use the e-mail to send the same message it does not get rejected. I've contacted Viginmedia and they have checked everything they can and say it appears top be a Thunderbird anomaly. It's very weird. Any ideas?

All Replies (2)

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Usually an error message has a code number assigned eg: 4.5.1 You do not mention the code number. What was it?

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I haven't been able to identify a code number. Here's the rest of what I received.

X-Originating-IP: [82.13.42.151] X-Spam: 0 X-Authority: v=2.1 cv=cpwVkjIi c=1 sm=1 tr=0 a=/fga8v9Bih9H6dbJ/WTzAA==:117

a=/fga8v9Bih9H6dbJ/WTzAA==:17 a=DgqbUt__V68A:10 a=NLZqzBF-AAAA:8
a=r77TgQKjGQsHNAKrUKIA:9 a=9iDbn-4jx3cA:10 a=cKsnjEOsciEA:10
a=gZbpxnkM3yUA:10 a=jESQ1tr6M_YDMHi3aAMA:9 a=QEXdDO2ut3YA:10
a=nKaGXqBtvboA:10 a=B2PpEof0i6YA:10 a=Mj_cSUAUKA4A:10 a=524iwGy69RcA:10
a=jbh6-X5AIBdOcITReAoA:9 a=_W_S_7VecoQA:10 a=wk0xZzskDMsA:10
a=AfkkXffo6PgA:10 a=2rOyub8MfPoA:10

Message-ID: <54B4FB2D.3010800@ntlworld.com> Date: Tue, 13 Jan 2015 11:02:05 +0000 From: Chris Edwards <c.t.edwards@ntlworld.com> User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Haywoods - Roy <roy@tovey.biz> Subject: 2014 TAX RETURN Content-Type: multipart/alternative;

boundary="------------070203090403020906060004"

This is a multi-part message in MIME format.


070203090403020906060004

Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit

Hi Roy,

Got your message about the2 HSBC accounts, but what about the other one?

And the mortgage information?

Chris


070203090403020906060004

Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

<meta http-equiv="content-type" content="text/html; charset=utf-8"> Hi Roy,

Got your message about the2 HSBC accounts, but what about the other one?

And the mortgage information?

<big><big><big><font face="Freestyle Script">Chris</font></big></big></big>


070203090403020906060004--