2 questions at this piont:
1) Can you post the entire error message?
2) Do you use Zimbra?
On Wed, Apr 27, 2011 at 8:10 AM, Don Kuhlman <drkuhl...@yahoo.com> wrote:
> This error is actually coming from Comcast's email servers when I try to
> send an email to our company from Comast.
>
> ------------------------------
> *From:* Richard Stovall <rich...@gmail.com>
> *To:* MS-Exchange Admin Issues <exchangelist@lyris.sunbelt-software.com>
> *Sent:* Tue, April 26, 2011 10:23:12 PM
>
> *Subject:* Re: Fixing Exchange 2007 server that might be hijacked or used
> as a relay and has been blacklisted
>
> I've never used Zimbra. (It looks like you do.)
>
> How is your edge-facing Zimbra instance determining what internal addresses
> are viable?
>
> On Tue, Apr 26, 2011 at 11:18 PM, Don Kuhlman <drkuhl...@yahoo.com> wrote:
>
>> Yep Richard - you're undestanding perfectly - outside parties - say
>> usern...@comcast.net <usern...@comcast.net> can't send to the company
>> Comcast's email immediately generates a huge error that I can't even copy
>> and paste. I did type the major parts of it and they are pasted below with
>> email and company.com being substituted out, etc.
>>
>> This worked about a week ago(no problems sending from comcast to our
>> domain). At first I thought something had changed at Comcast. I googled
>> the SCC-1203 and SCC-1204 codes along with the error text below and it led
>> me to Comcast's forum. That in turn led me to posts saying the target email
>> address was not on a secure server or that the target domain was not allowed
>> to be sent to, which then led me to search for blacklisting and I found the
>> domain blacklisted on two sites, which I went to and manually asked them to
>> remove us by putting our external email server ip address into the forms on
>> the blacklist sites.
>>
>> However, just trying it now from Comcast still causes it to fail
>> immediately with this error. Since I orginally thought it was a Comcast
>> issue because I hadn't heard about any other failures from other domains
>> sending to us (hitachi, etc.), I opened a case with Comcast. They are
>> supposed to be investigating which maybe they can enlighten me too ;)
>>
>> Thanks!
>>
>> Don K
>> Message not sent; The following addresses were not accepted: {0} SCC-1203
>> Message not sent; The following addresses were not accepted:
>> em...@company.com SCC-1204
>> method: SendMsgRequest
>> msg: Invalid address: em...@company.com
>> com.zimbra.cs<http://com.zimbra.cs.mailbox.ma/>
>> .mailbox.MailSender$SafeSendFailedException:
>> code: mail.SEND_ABORTED_ADDRESS_FAILURE
>> detail: soap:Sender
>> trace: btp00l0-121808:1303873522184:a35c69230074fa82
>>
>> request: Body: {
>>
>>
>>
>>
>> ------------------------------
>> *From:* Richard Stovall <rich...@gmail.com>
>> *To:* MS-Exchange Admin Issues <exchangelist@lyris.sunbelt-software.com>
>> *Sent:* Tue, April 26, 2011 9:07:34 PM
>> *Subject:* Re: Fixing Exchange 2007 server that might be hijacked or used
>> as a relay and has been blacklisted
>>
>> Blacklisting, as I typically understand it, means that you can't send to
>> the other party. What you're describing, unless I misunderstand, is a
>> situation where outside parties are unable to send to you.
>>
>> What are the exact (full text) errors you received from Comcast when
>> testing?
>>
>> On Tue, Apr 26, 2011 at 9:30 PM, Don Kuhlman <drkuhl...@yahoo.com>wrote:
>>
>>> Hi folks. This is probably a very basic question for the Exchange
>>> gurus...I'm trying to support of an exchange 2007 server (on SBS 2008) and
>>> found that it looks like we're being blacklisted by certain sites. Internal
>>> users were reporting that they couldn't receive emails from outside
>>> customers using comcast.net, and hitachi among others. I tried to send
>>> to emails internally from comcast and was also getting errors that we were
>>> being blocked or not allowed from comcast.
>>>
>>> I ran some scans from different sites such as
>>> http://www.mxtoolbox.com/SuperTool.aspx that show if you're blacklisted
>>> and found a couple instances where we were.
>>>
>>> I've been trying to find a way (internally from the server logs or
>>> firewall logs) to see if the Exchange 2007 server was hijacked or is being
>>> used as a relay. I'm not sure what to look for as traffic patterns on the
>>> firewall so that I can set rules to block this, nor what I might want to try
>>> initially on the server to protect it.
>>>
>>> I looked (googled) for how to test for blacklisting and all I'm finding
>>> is sites that tell you how to request you be removed temporarily from a
>>> blacklist or how to test your ip for blacklist status.
>>>
>>> Are there good sites that I can study to find out from the server's
>>> perspective or how to make sure it's not being used maliciously for relaying
>>> or spamming or some sites that tell me how to lock it down or verify it's
>>> okay (not to mention getting it permanently off the blacklists) ?
>>>
>>> Thanks!
>>>
>>> Don K
>>>
>>>
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