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Computer Security Question - - - Phantom E-mail Recipient


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We have some pretty tech-savvy posters here, so here goes:

 

I allowed my laptop to install some updates to Windows Vista today, and then got an immediate notice that updates were available for RealPlayer, which I also allowed my laptop to immediately install.

 

I ran the new version of RealPlayer to watch 1 YouTube video.

 

I then included a link to that YouTube video in an email message to a few people.

 

Here's an email delivery failure notice that came back:

 

____________________________________________________________________________

 

This is an automatically generated Delivery Status Notification.

 

Delivery to the following recipients failed.

 

lanrerasak74@yahoo.com

 

Final-Recipient: rfc822;lanrerasak74@yahoo.com

Action: failed

Status: 5.5.0

Diagnostic-Code: smtp;554 delivery error: dd This user doesn't have a yahoo.com account (lanrerasak74@yahoo.com) [-5] - mta1276.mail.bf1.yahoo.com

 

_________________________________________________________________________________

 

That email address is totally unfamiliar to me - - it's not an email address that I specified in my outgoing message.

 

Three questions:

 

1. Is it possible that an intended recipient changed their email address, set up some sort of auto-forwarding, and then closed the second account? Seems unlikely (but at least one intended recipient has an email address that I had not sent a message to in over a year).

 

2. Is there some way for me to find out whether my outgoing email messages are or were being secretly forwarded somewhere without my consent?

 

3. The delivery failure notice specifies a "Final-Recipient" with a prefix "rfc822;" in front of the non-existant yahoo account name - - does that mean anything?

 

Seems bizarre. Any input appreciated, as I was paranoid about computer security even before this.

 

Thanks.

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We have some pretty tech-savvy posters here, so here goes:

 

I allowed my laptop to install some updates to Windows Vista today, and then got an immediate notice that updates were available for RealPlayer, which I also allowed my laptop to immediately install.

 

I ran the new version of RealPlayer to watch 1 YouTube video.

 

I then included a link to that YouTube video in an email message to a few people.

 

Here's an email delivery failure notice that came back:

 

____________________________________________________________________________

 

This is an automatically generated Delivery Status Notification.

 

Delivery to the following recipients failed.

 

lanrerasak74@yahoo.com

 

Final-Recipient: rfc822;lanrerasak74@yahoo.com

Action: failed

Status: 5.5.0

Diagnostic-Code: smtp;554 delivery error: dd This user doesn't have a yahoo.com account (lanrerasak74@yahoo.com) [-5] - mta1276.mail.bf1.yahoo.com

 

_________________________________________________________________________________

 

That email address is totally unfamiliar to me - - it's not an email address that I specified in my outgoing message.

 

Three questions:

 

1. Is it possible that an intended recipient changed their email address, set up some sort of auto-forwarding, and then closed the second account? Seems unlikely (but at least one intended recipient has an email address that I had not sent a message to in over a year).

 

2. Is there some way for me to find out whether my outgoing email messages are or were being secretly forwarded somewhere without my consent?

 

3. The delivery failure notice specifies a "Final-Recipient" with a prefix "rfc822;" in front of the non-existant yahoo account name - - does that mean anything?

 

Seems bizarre. Any input appreciated, as I was paranoid about computer security even before this.

 

Thanks.

Not positive but #1 sounds like it could possibly be the problem. And, possibly he didn't set up a auto forwarding account. I remember a long time ago shutting down a earthlink account and they wanted like 5 bucks to auto forward and I never did it.
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