Why does email bounce?

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YOU may think it's a valid email address, but the mail
server that is attempting to deliver it does not. There's
nothing you can do about that. If you can contact the
recipient some other way you should verify that you
absolutely have the right email address, and if you do, then
he should complain to his ISP.

Leo

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I am getting my mail bounced message from my rediffmail id. This is happening with message saying ISP does not like receipient and Remost host says uses not known. Is this possible if sender's id is blocked by recipient

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Unlikely. If the problem is with the host, then it's more
likely that the email address part after the "@" is wrong,
or your mail provider is misconfigured - check with them.

Leo

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HI sir,
Can u explain the below error.
Thanks in advance

553 sorry, Authentication failed or timed out. Please do get messages first to authenticate yourself.(#4.4.3)

hi,

sometimes, it is the stupidiest thing that causes the problem, and these are mostly not mentioned...

I had mail.zonnet.nl as outgoing server, and pop.zonnet.nl as incoming.
After much ado, I remembered that my provider was athome, so I needed to have : mail.home.nl.

And THAT solved my "553 sorry, relaying denied from your location problem!

thanks anyway!

My problem with rediffmail id

I DO NOT RECIEVE ANY MAILS ON MY REDIFFMAIL ID . WHEN I TRIED TO SEND MAIL FROM ALTERNATE YAHOO ID I RECVD bounce@rediffmail.com instead i got a reply:

Hi-This is qmail send program ------------

I have already submitted my problem with rediffmail.com
I dont want to loose my mail id on rediffmail.com since it is widely circulated

What is a "non-specific bounce" mean?

Hi Leo,

Emails I send to hotmail.com are bouncing back. Both from comcast.com, aol(aim) and gmail google's email website.

Can you help with the settings on this? Also same is happening with my hotmail.com "live:msn" emails... (Bad Email Address is the message attached) :(

I associated my gmail address with my MSN live account to stop some of the difficulties that I had with getting email to my younger brother who also has a "Live:msn" hotmail account. His works.
Can you help with the settings, that are making these emails bounce back?
thanks...

I got these notifications when inviting a number of users to join a Yahoo! Group. In some cases the email addresses in the message were nothing like the one I had sent it to. What is going on here?

"Sorry, we were unable to deliver your message to the following address.

Remote host said: 550 5.1.1 http://mail.google.com/support/bin/answer.py?answer=6596 23si10110592gxk.82 [RCPT_TO]"

Bellsouth E address went to AT&T and they went to YAHOO and now I can't get a group of contacts E's to go out. Single E's go but they too smoetimes don't make it.This is what I receive back:::

Hi. This is the qmail-send program at yahoo.com.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

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