Hotmail and sendmail server

[Amrit Angsusingh]

I use FC 3 with sendmail and squarail webmail as my mail server for my
company for a couple of years without any problem but since two months ago ,
my mail users included me could not receive the email from hotmail if they
have some attachments. We can receive all mail from gmail , yahoo ...etc
with attachments but not from hotmail. We can deliver and get to text mail
from hotmail too . When I asked hotmail support ,they suggested me to look
at the server whether any filtration or not. but I have no idea what happen
to my server and where should I look for.
As I know nothing is set just on squarail webmail I set the spamcop via them
menu of my squarail mail but I disable it already. Anybody know what's wrong
with my server? Thanks.

--------------------- here is the answer from hotmail support -------------


Dear Amrit,


Thank you for writing back to MSN Hotmail Technical Support.

I apologize for the delayed response. Recently, we received an extremely
high volume of e-mail messages and are working diligently to catch up.

My name is Val and I understand that you are having an issue receiving
messages from MSN Hotmail accounts using your company's e-mail address.

Amrit, I know how important it is for you to have this issue resolved.
 Please accept our deepest apology for the inconvenience this has caused
you.

I have checked the bounce message that you have provided and based on the
code that was included in the message, the messages were successfully sent
from the MSN Hotmail server.  It seems that your company's Web server is
having issues receiving messages from MSN Hotmail.

In this regard, please contact your e-mail administrator regarding this
issue.  They might be having issues or implementing restrictions in
receiving messages from Web-based e-mail services such as MSN Hotmail.

You are a valuable customer to MSN and we are glad to give you consistent
and effective service.

Thank you for using MSN Hotmail.


-------------------------------------------------------------------------------------------
Amrit Angsusingh
Thailand
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