Wrong association of IDOCs to multiple BPM instances w/ correlation

hi mates,
Background
We have an issue with a BPM that collects DIRDEB.PEXR2002 IDOCs using the correlation on Company Code & some other fields. The BPM is similar to BpmPatternCollectTime. The deadline branch triggers after 10 mins. It has been running successfully until we are hit by the issue below
Issue
There were 3718 IDOCs that have been sent from R/3 in 10 min window which have the same value for correlation. As per the design, all the IDOCs were supposed to be received by a single instance of the BPM. However the IDOCs have been received by 3 instances of BPM (1458, 1502 & 758 IDOCs). I'm surprised to see this behavior and I'm wondering what is wrong/missing in the design/config.
My Observations
I looked at the tech details of the 3 instances and observed that the all 3 instances have same correlation values.
The time windows that 3 instances have been executed did not overlap with each other.
This made me think about how the BPE has assigned these IDOCs to instances. I looked at the SAP help on [Configuring Inbound Processing|http://help.sap.com/saphelp_nw04/helpdata/en/44/3a6c6d55e402bfe10000000a11466f/content.htm] and made sure the config on SWF_INB_CONF has the Delivery Mode - Buffering Possible & Queue Assignment - One Queue.
I see in the SXMB_MONI that all the IDOCs are put in the queue 'XBQO$PE_WS90000010' which is as per the Queue Assignment - One Queue.
Did any face this kind of issue? Any idea why this is happening?
Let me know if you need any additional info. I greatly appreciate your inputs.
thx in adv
praveen

HI Praveen
I have not faced the similar situation but i think Tunning of XI message size may help. As that determine the in/out message size
BPM collected 1458, 1502 & 758 so did u check if the message size is equal for these number. check it may be you get clue on this
Thanks
Gaurav

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In the Server Admin under General one can enable IMAP with a maximum number of connections. However, for normal SMTP there is no connections cap. Unless I am wrong here.
Domain throttling by domain is another way, but the real solution is just dedicated IPs for each website or each website to have a separate MTA. In the past this has meant a dedicated server or a physical gateway.
Technically there should be a Virtual solution. If I can virtually host many sites and many incoming emails on dedicated IP space respective to each domain. There should be virtual MTAs on dedicated or the same respective IP space as the incoming; hence, why I gave the example of how SSL works in Apache with web servers.
Totally get what you are saying on how currently mail works just out the default gateway since there is only one "default" MTA for the "xserve".
Everything is good coming in, but did something somewhere miss the mark on the outgoing? Should be one for one.
Yahoo is the big player putting the foot down or the glass half full people would say setting the mark on how outgoing mail should work when they are accepting emails.
I am not trying to innovate, but rather just follow the rules.
Sure mail out one MTA works no matter how many website you put on the box and it is "good enough for government work" or "looks good from my house".
There are many people struggling with corporate communications (even the concept of corporate communications and marketing) and I think Apple could step up to the plate and help follow the standard of best practices.
I have done research for 10 years and over the past two tested what I know to be true. Then spoke with many businesses that did not understand but had the same issue. . .
Yahoo customers not getting their email communications and email simply not being as good as the old fashion phone call.
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{quote}So my question to you is this: why can't you run all your domains on a single server/IP address?{quote}
Because it is no longer 1996 and I want Apple stock to triple!
. . . and that it no longer works for sites conducting a profitable business. We are really underachieving what America could do!
Yahoo! is clearly saying to each business to do business communications or even marketing on separate IPs. Gmail, Hotmail, and the list goes on and on. They all follow the same thing. Yahoo! just happens to be more aggressive and has more good consumers (buyers) using their free email service. Gmail started aliases and could gain market share of buyers.
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We missed the 1% mark. That club that gets it! I would like to see every business owner that buys an Xserve to be in that one percent club out of the box!
Why Rob? Well because it works! Dedicated IPs work. Think about this, if you gave the postman your address and did not include your suite number more than likely your lucky if you get your mail. WORKS the same way for email.
If your business grows you can get a few more until something once again gets abused and they start tracking MAC addresses. By then will have virtual MAC addresses like most routers can already do.
To prevent SPAM you just set the MTA defaults to one IP per website. Let's keep it simple. This way you keep a clean reputation and one reputation per website or business. Most businesses just need one IP and cannot afford a whole server for each website/business. THINK GREEN!!! The email filtering systems (RBLs and filtering rules) already out there will weed abusers out. Let's not hurt the small to medium businesses in the process.
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