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Hotmail problem and symantec mail security for smtp

Posted on 2007-11-26
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Last Modified: 2013-12-06
Hello as the system administrator of a university, i set up a new outbound mail server. i installed symantec mail security for smtp 5.01. OS is Red hat ES 4.
in my tests i can send e-mails to gmail, yahoo,etc.. but i cant send them to hotmail accounts. although the messages are queued by hotmail as well. what might be the problem?
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Question by:burakcayir
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by:WizRd-Linux
ID: 20370818
Try sending an email to hotmail using telnet, this way you will be able to grab any error messages display.

It could just be their mail servers are rejecting connections for your ip / range.
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by:burakcayir
ID: 20372538
i already did a telnet to hotmail server. i saw my message queued. but it hasnt arrived to me
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WizRd-Linux earned 500 total points
ID: 20377837
If your message is queue this means they have an internal problem that is out of your control.

Basically you should have been rejected prior to the email being queued.
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by:burakcayir
ID: 20380349
but i can send messages via our other mail servers to the hotmail accounts. only problem is our server doesnt work with hotmail accounts, i cant figure it out.
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by:WizRd-Linux
ID: 20408691
If the message is queued, this means it has been accepted and is no longer controlled by your mail server.  Obviously the message is never delivered to the user's mailbox, have you received any bounce back messages?

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by:burakcayir
ID: 20418402
no i havent got a bounce back message :( not even a notification
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by:WizRd-Linux
ID: 20423834
Considering you are setting this up, and I assume it isn't in production as yet, are you able to remove Symantec Mail Security and test it again?

I would be interested to find out if it is a sendmail/postfix issue or possibly Symantec..
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by:burakcayir
ID: 20425939
i uninstall it and even install it again to another machine with different ip address. but that doesnt work for hotmail.
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by:WizRd-Linux
ID: 20426049
so after you uninstalled it for the server you are having difficulties with and you have been working on, did you test sending an email to hotmail?  was it received or not?
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by:burakcayir
ID: 20426245
after installed to another server with different ip, it didnt work again. i couldnt send to hotmail. not arrived to mailbox. i ve just called symantec and they told me if i can see the delivery notice with the ip of hotmail mx, that means it is not the problem of symantec. so i am trying to contact to msn hotmail.
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Veeam® is happy to provide the Microsoft community with a study guide prepared by MVP and MCT, Orin Thomas. This guide will take you through each of the exam objectives, helping you to prepare for and pass the examination.

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