Why my emails are spam for Yahoo and Hotmail ?

[hrozob]

Hello.
I have the domain Afinetour.com - Flights, tours and travel to South America (http://www.afinetour.com) and we sell tourism.
We reply to our customers by sending an email with the specific quote they requested.
However we have seen that yahoo and hotmail are taking our emails messages as spam.

We do not send spam and our emails seem to be Clean and safe from our side.

Can any one tell me or suggest something to avoid this situation.?

This is an example of the content of my emails.
----------------------------------
"June 1 - 2007

Hi Mr. Cohen, how are you?
Thank you for contacting us.

Please have a look at the itinerary below and let me know your
opinion about it, let me know if you want to make modifications,
anything you need.

Click here to see your itinerary to visit Buenos Aires, Rio and Sao Paulo.
Afinetour.com - Customer Quote (http://www.afinetour.com/index/toursys/quote-customer/f66g6kmfc1asj7ku4vedo)

Thank you
Hector Eduardo
Phone: 786.380.4737
Email: h.eduardo@afinetour.com"
----------------------------------

I really appreciate your replies and advice, since this is making us waste valuable time and our customers will never be able to see our replies to their requests.

Thank you
Hector Eduardo
h.eduardo@afinetour.com

[jtracking]

I'm ashamed of the title of this post:
http://www.webproworld.com/marketing-strategies-discussion-forum/60131-comcast-am-i-only-one-who-hates-them.html

but initially I thought I had a problem with comcast blocking my very legal and non spammy emails to my over 8000 client base.

I figured it out though and going from tons of bounced mail a day to absolutely none was a great feeling. It took a bit of work but the post above will definitely help you on your way.

That post and this link at Microsoft should help you.

Sender ID Resources: Tools and Information About SIDF Technology (http://www.microsoft.com/mscorp/safety/technologies/senderid/resources.mspx)

Get back to me if you need more help...

[wige]

Yahoo acknowledges two forms of filtering. The first is based on the sending IP address - basically if they detect spam from the same IP address or address range as you are sending from, they are more likely to mark your e-mail as spam. The second method is heuristic analysis. Different parts of the message are analyzed for things that look spammy. This could range from information in the headers (especially if the e-mails are being sent through an automated application) to misspellings or the formatting of the text in the message.

[SITEchrome]

What is the mailing mechanism being used? sendmail [php], smtp... try changing to other. If smtp, test a different mail server other than your web host.
send a mail to yourself, verify the header, chk the reply to address, ensure ip points to your web site domain...