how can i know that the person to which i've sent an e-mail had really recieved it? i doubt yahoo sent it.
137959
when u send it, go to ur prefernces and request a "read receipt".  you never know, EVER, if it is sent, but if you click the read receipt button, it tells you when they read it
59682
You can find out from where the email was sent (the internet provider that the user used to send the email). If you read the headers of the email you can find the original IP of the sender. Then you can go to http://www.maxmind.com/app/lookup_city and enter that IP and you can find some info.
169115
The best way I address this is by the "do i know you" factor...If it's a friend's email address, then it's most likely not spam...the reason I say most likely and not "definitely" is because hackers can sometimes use lists of emails you've sent, and mimic them to act like they're your friends. Yahoo does a pretty good job with filtering these.  In general, just don't open anything from people you dont know.  If you know they and dont open it, they'll let you know you havent opened their email and they can resend it to you.
408707
The only way that you can find out if it is getting sent to the person you sent it to and not the group is check you groups homepage and see if its there if its not there theres no chance that they read it.
52694
If you request seeing the emails including the FULL HEADER, it may disclose the originating IP address.  If the IP address is his computer, then there is no way they came from you....unless he was on your computer when he sent them.\n\nTry this yourself to see what the header look like:\nIf you are using Outlook, double click on the email in question to get a new window.  Click on View --> Options.  You will see a box containing the Internet Header.  In there you will see the information of how the email was sent to you, including many times, the actual originating IP address.  Every email will have headers that look a bit different so try it on a couple to see the differences.\n\nJust make sure you request the FULL INTERNET HEADER....I stress full, because they could just provide the To:/From: portion of the header, which means nothing in this case.
701473
Email adresses are easily forged. Chances are that an email you got from that address wasn't actually sent by that person, especially if it is spam. Just don't give out any personal information on the internet, and you will be fine.
27230
Yes,you can install "DidTheyReadIt.When you use  DidTheyReadIt, every e-mail that you send is invisibly tracked without alerting the recipient.\n\nBut when they read your message, you will immediately receive the following information:  \n  When, exactly, your email was opened.  \n  How long your email remained opened.  \n  Where, geographically, your email was viewed.  \n \nYou can get it at the site below.
96666
There is no foolproof and easy way, but here is an overview of what you can try as a start...\n\nEmail headers (which are not shown by default in most email clients by default) provide some level of origination/tracking information.   The headers show information such as the From name/email, To name/email, Reply-to address, etc.   They also show the path the message took to get to you (the servers in between).  Once you find the originating server, you can lookup the IP address \n\nTo show the headers:\nIn Outlook -- Right click on message and choose options\nIn GMail -- Click "More Options", then click "Show original"\nIn Yahoo Mail -- Click "Full Headers" in the bottom right of the page\n\nLook for the very last "Received" header.  This should tell you the server it was sent from originally.   Look for a number, such as 147.72.102.103.    Then type that address into this website http://www.digitalpoint.com/tools/website-country/ (or other IP->GEO tools).    This should tell you the city, state, and country the server is located.\n\nUnfortunately, these headers can be easily forged.  Also, a user can connect to a server from very far away.   So take everything with a grain of salt.
1062944
Check your bulk/junk/spam box, sometimes emails get redirected. Send an email yourself asking if they have sent you one yet, they may not have.
973281
the user didnt verify their email...\n\n\nxoxo
512142
still no answer has receive please lets me nevertheless know on mine mail of 28.04.06 of you.
719113
Probably just a spammer.  Emails can be easily "spoofed" - this is, fake senders/subjects/dates can be sent out via SMTP very easily.  I'd just chuck it in the SPAM pile and not worry about it.  Don't even both opening them if you notice stuff like that.
236100
Your e mail address must have been given out.
158177
Some e-mail systems offer a trackback, you can tell if someone has opened the message, for instance. But these only work within some limited system (say AOL mail to another AOL user). \n\nYou generally can't track an e-mail sent to another person on another system. For instance AOL mail to Yahoo, has no tracking.\n\nSome systems I have seen which allow tracking also let you know if you are being tracked. These have been messages sent on internal corporate systems, though, and I forget the details.\n\nIf you're sending some message else where it can't be tracked by you.\n\n\nHowever, if you want to know if your message is being read by others, there isn't any way to tell, but anyone with access to a mail server can read the messages. I don't worry about this with something like Yahoo mail (unless they get a request from the government), or even in large companies. \n\nBut it is quite possible that in a small to medium sized company someone is reading your mail. They are almost certainly not supposed to, but it happens. Also, if there is going to be a record of your e-mails on these servers too, and the company may be able to go back and see what you are doing if they are so motivated.
442383
If the person you are sending the email to is using an internet based mail (such as Yahoo, MSN, GMail, etc.) then there isn't anyway to check for this....although I do remember seeing something about requesting a return reciept. However, if they have a non-web based mail then you can usually check the status of the message, and see if they recieved it.
1157071
It certainly can. Look at the header. You will see that there's a list of the servers whose hands the mail passed through. The last one in the list shows the IP address of the machine it originated on (if it hasn't been forged).\n\nLook up that IP address using a DNS lookup website and it should tell you the ISP of that machine. Send the entire email as an attachment to abuse@ ... and the domain of the ISP and sit back and wait.\n\nThey may respond or they may not.\n---------------------------------\nThe header is the start of the email before the text. It's not usually displayed but here is the link to how to see it:\nhttp://help.yahoo.com/help/uk/mail/config/config-11.html\n\nThe person to contact is NOT Yahoo but the ISP of the machine from which it was sent.\n\nIf the offensive mails come from someone who has your email address because you previously corresponded with them or the mail is sent to you and you alone personally, then is technically not Spam.\n\nYou best bet is to create a filter that will delete mail from that person. Details of how to do that are in Mail Help on the Yahoo Mail website.
423148
http://dhvrm.blogspot.com/2006/04/confirming-e-mail-delivery.html