missing mail

[Advent Systems]

Bob,
Thank You. Again with this list I learned something I didn't know before 
and had all my questions answered.

Bob Randal


Robert Meyer wrote:

>These questions keep coming up.  I suppose an explaination about mass mailing
>and mail queues might be in order.
>
>The way that most mass mailing software works (majordomo, mailman, etc.) is
>that for each message that needs to be sent, it calls the system's Email
>sending program for each address in the list.  If there is anything that keeps
>the message from being delivered to a particular address, such as temporary DNS
>failure, too many concurrent email processes, network bandwidth issues or
>remote server connection issues, the message gets dumped into a queue and left.
>
>Periodically, the email system will cruise through the queue and try to send
>the messages that are in it.  The messages are still subject to the same
>problems that caused the initial failure so they can wind up in the queue for a
>long time.  If there are a lot of messages that are being sent, the concurrent
>number of outgoing mail processes may be such that the process that runs the
>queue can't establish outgoing connections.  In this case, emails could sit in
>the queue for quite some time.
>
>There is nothing deterministic about Email systems.  Messages are not
>guaranteed to be delivered in the order sent.  There are so many things that
>will delay messages that it would take reading the 'Receieved by' headers to
>even find out where the delay occurred.
>
>It even makes sense that the response to an email list could arrive before the
>initial message in some cases.
>
>Hope this helps...
>
>Cheers!
>
>Bob
>
>--- Advent Systems <adventsystems at verizon.net> wrote:
>
>  
>
>>For what it's worth guy's,  I did finally get the message,  but it was 
>>hours later then the previous posts.  I guess it's no big deal as long 
>>as I got it.  I'm just wondering  why  and what could cause it to 
>>happen?  If there was a "normal" breakdown, either at verizon or NFLUG, 
>>it seems all the mail would have been held up?  I'm not that up on mail 
>>servers and just was wondering what you guys thought.
>>
>>Bob Randal
>>
>>
>>Stephen Burke wrote:
>>
>>    
>>
>>>A valid question indeed.
>>>
>>>I got Bob's message (below) also, so the mail must be at least sort of 
>>>working, but I have also been wondering if majordomo would perform the 
>>>feat pete mentions. I get email from the gnomemeeting-list in the same 
>>>once-a-day, many-post fashion. That list also allows you to choose 
>>>which method you prefer (individual or grouped), but I don't remember 
>>>being asked that by the majordomo program when I was registering.
>>>I, too, would prefer a more holistic view of the posts here, if it is 
>>>possible.
>>>
>>>Just a thought ,
>>>S.
>>>
>>>P. Goodman--Koyaanisqatsi wrote:
>>>
>>>      
>>>
>>>>Hi Bob, et al:
>>>>
>>>>I can't respond directly to Bob other to say I got this post to the 
>>>>NFLUG list. I'm the current Apple guy in the list because I'm living 
>>>>a _very_ small log house with my computer as the main source of heat 
>>>>and have no room to set up my Linux box. Hell, I don't even know 
>>>>where it is right now.
>>>>
>>>>Anyway, Bob's post brought to the surface a nagging question. I 
>>>>receive all NFLUG posts as individual Emails rather than as a less 
>>>>frequent, but daily composite Email of several posts. Is this how it 
>>>>is done with NFLUG or am I a complete idiot? In the Northern Virginia 
>>>>Linux User's Group, an Email was received once or more times per day 
>>>>containing several posts, which IMHO works better.
>>>>
>>>>Thanks,
>>>>pete
>>>>
>>>>
>>>>****************************************************************
>>>>* "Reality is that which, when one stops believing in it, does *
>>>>*  not go away."--????                                         *
>>>>****************************************************************
>>>>
>>>>
>>>>
>>>>Advent Systems wrote:
>>>>
>>>>        
>>>>
>>>>>Somthing strange have happened and I was wondering if the group 
>>>>>could help.
>>>>>I replied to a post by Daniel Villarreal at 3:12pm.  I realized I 
>>>>>errored in what I told him and issued a reply post at 5:11pm.  I 
>>>>>sent a reply post to Dave Andruczyk at 5:16pm.  The 5:16p post was 
>>>>>delivered but the 5:15p post disappeared and has not shown up on the 
>>>>>list. Is this a problem with the NFLUG list or the verizon mail 
>>>>>servers.
>>>>>
>>>>>Thanks,
>>>>>Bob Randal
>>>>>
>>>>>ps-I hope you get this :)
>>>>>
>>>>>          
>>>>>
>>>>
>>>>        
>>>>
>>>      
>>>
>>    
>>
>
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>		
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