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John Corwin <[log in to unmask]>
Wed, 13 Feb 2013 19:56:35 +0000
text/plain (369 lines)
I sent a 65K plus mailing out today.  It looks to me that it's queuing pretty fast, but I may not be the best at reading the log.  The mailing still took about 3 hours or so--is that normal?
 Here's an excerpt from the log:

12 Feb 2013 14:57:39 >MAIL FROM:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.0 Sender OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >RCPT TO:<[log in to unmask]>

12 Feb 2013 14:57:39 <250 2.1.5 Recipient OK
12 Feb 2013 14:57:39 >DATA

12 Feb 2013 14:57:39 <354 Start mail input; end with <CRLF>.<CRLF>
12 Feb 2013 14:57:44 <250 2.6.0 <[log in to unmask]> [InternalId=6303986] Queued mail for delivery
12 Feb 2013 14:57:44 >RSET

12 Feb 2013 14:57:44 <250 2.0.0 Resetting

-----Original Message-----
From: LISTSERV site administrators' forum [mailto:[log in to unmask]] On Behalf Of John Corwin
Sent: Tuesday, February 12, 2013 1:37 PM
To: [log in to unmask]
Subject: Re: Strange Delivery Delays

I actually just set the MaxAcknowledgementDelay to 1 and TarpitInterval to 0 on our internal relay connector.  I'll be sending a 60k + mailing today, so I'll see how it goes.

Thanks!

-----Original Message-----
From: LISTSERV site administrators' forum [mailto:[log in to unmask]] On Behalf Of Sparks, Michael
Sent: Tuesday, February 12, 2013 1:03 PM
To: [log in to unmask]
Subject: Re: Strange Delivery Delays

Another possibility: tarpitting or throttling on the SMTP host. Be sure your LISTSERV's IP has been exempted from anti-spam measures like that on your SMTP host.

On Feb 11, 2013, at 3:37 PM, Valdis Kletnieks <[log in to unmask]> wrote:

> On Mon, 11 Feb 2013 15:17:07 -0500, Liam Kelly said:
> 
>> As to why your SMTP server is taking so long, you'll need to run it 
>> down from that end.  Some of the usual causes are things like 
>> inefficient anti-virus and/or spam scanning of every message (my 
>> first guess), a disk I/O bottleneck on the mail spool disk, inbound 
>> mail throttling, or inefficient directory lookups for addresses to 
>> route locally.  Whatever the case may be, you aren't going to be able 
>> to figure it out by looking only at LISTSERV's end of things.  You need to go to the mail server.
> 
> Even today in 2013, an amazing percent of SMTP servers have broken DNS 
> setups that cause a lot of waits for DNS lookup timeouts.  Just a thought...
> 

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