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Slow email deliveries ???

wibble111
Newbie
Posts: 4
Registered: 09-08-2007

Slow email deliveries ???

Hi there,

Is anyone else aware of an email backlog on the plusnet mail servers Huh I've checked adslguide and the usergroup forums, service status and can see no mention

I haven't raised a ticket yet ... thought I'd ask around first

I'm not talking about todays problems with bounced email ... I haven't seen any service status messages which haven't been marked as revolved and the portal is showing email as green.

Over the last couple of days, I've been receiving email thats been stuck somewhere on a plusnet mail server for a few days. I've still been getting nice speedy delivery of piles of spam (thanks very much), and other mail is arriving.

For the the latest occurence(tonight), I've attached a subset of the mail headers show receipt by plusnet on the Tuesday morning (2nd Jan), and its only just arrived, ready for POP collection now.

Most of the message I've noticed would have been sent between 30th Dec and 2nd Jan.

(From reading the headers, this message appears to have got stuck between pte-mxlast04.plus.net and ptb-mxcore19.plus.net if I'm reading this right)

Unfortunately, I've deleted all of the others, so I can't check for commonalities ...

I've had a few of these in the last few days.

What going onHuh Am i the only one affected, or is this just the cumulative effect of all of the recent problems Huh

Ed

Delivery-date: Fri, 05 Jan 2007 20:05:13 +0000
Received: by fhw-sunmxcore05.plus.net with spam-scanned (PlusNet MXCore v2.00) id 1H2vJN-0006r2-HP
for XX@XXXXX.plus.com; Fri, 05 Jan 2007 20:05:13 +0000
Received: by fhw-sunmxcore05.plus.net with dspam-scanned (PlusNet MXCore v2.00) id 1H2vJM-0006qi-M7
for XX@XXXXX.plus.com; Fri, 05 Jan 2007 20:05:09 +0000
Received: from [212.159.14.233] (helo=ptb-mxcore19.plus.net)
by fhw-sunmxcore05.plus.net with esmtp (PlusNet MXCore v2.00) id 1H2vJM-0006qQ-5y
for XX@XXXXX.plus.com; Fri, 05 Jan 2007 20:05:08 +0000
Received: from pte-mxlast04.plus.net ([212.159.7.98])
by ptb-mxcore19.plus.net with esmtp (PlusNet MXCore v2.00) id 1H2vJL-0000kM-JH
for XX@XXXXX.plus.com; Fri, 05 Jan 2007 20:05:07 +0000
Received: from mxpool22.ebay.com ([66.135.197.28] helo=mx45.sjc.ebay.com)
by pte-mxlast04.plus.net with esmtp (PlusNet MXLast v2.00) id 1H1nZN-0001oD-IF
for XX@XXXXX.plus.com; Tue, 02 Jan 2007 17:37:02 +0000
Received: from rc-v3conta012 (rc-v3conta012.smf.ebay.com [10.9.12.112])
by mx45.sjc.ebay.com (8.13.5/8.13.5) with ESMTP id l02HZMkQ018574
for <XX@XXX.plus.com>; Tue, 2 Jan 2007 10:36:17 -0700
Date: Tue, 2 Jan 2007 10:36:17 -0700
Message-ID: <1469601688.1167759377525.JavaMail.SYSTEM@rc-v3conta012>
6 REPLIES
N/A

Slow email deliveries ???

Not as bad, but certainly delays of several hours on some emails. This kind of thing has been going on for months now, terrible service. Anyone have any suggestions on who to migrate to?
wibble111
Newbie
Posts: 4
Registered: 09-08-2007

still ongoing

Well, I raised a ticket, and got the standard reply yesterday afternoon saying that the issues was believed to have been fixed (presumably, by the reboot of the mail server on Saturday night).

Since then, I've had more badly delayed email ... interestingly, pte-mxlast04.plus.net seems to be the 1st plusnet mail hop in quite a few of the badly delayed messages that I've seen.

Anyone know which server was thought to be at fault and rebooted on Saturday night ?Huh
Mand
Grafter
Posts: 5,560
Thanks: 1
Registered: 05-04-2007

Slow email deliveries ???

Hi there,

We had issues with mxlast from 26/12/06 to 31/12/06.

The average queue for an mxlast server is 100,000 emails. Now considering that the majority of this is spam (as it is the last record) and that the turnover is pretty quick this does not cause a problem.

However during the period above, the mail queued was not being delivered to the mxcores as quickly as it should, meaning the queues were higher than normal and that delays were increasing.

There was no discernable problem with the connections from mxlast to mxcore, so there was not a great deal we could do to speed this process up.

However, on the 31/12/06 mail started being delivered in large amounts from mxlast to the mxcores, and then into the relevant mailboxes. This cued numerous tickets and calls saying that mail was being delayed for x amount of days, however this to us was a signal that the problem was being resolved (in that mail was actually getting delivered rather than continuing to queue).

Currently mxlast04 is the only server with approx 100,000 mails stored, the rest have less than 60,000 so it stands to reason that the mail significantly delayed at the moment will come through mxlast04.
wibble111
Newbie
Posts: 4
Registered: 09-08-2007

Slow email deliveries ???

Hi Mand,

thanks for the extra info ... its very hard to work out whats going on and what email symptoms are being caused by which (if any) service status tickets and a more technical update like this certainly helps a great deal.

Bob has just posted a service status update(Ref 3913Cool saying that email platform "queues have returned to normal", but you mention that mxlast04 has nearly double the number of messages queued as the others ... What is considered "normal" then Huh

Is there a seperate ticket to cover the abnormal queue size on mxlast04 and is anything being done to clear it down ...

I'm not trying to trip anyone up, but I raised a ticket (Question 21022205) ... and was told this morning that
"As per the service status posting we did complete some work yesterday evening which resolved the mail queues so the emails you got that were delayed should be the last of the problems."

If mxlast04 still has nearly double the queue size of the other servers, then how can the agent be sure that there are no more badly delayed emails waiting to clear Huh

Maybe some more "education" is needed Cheesy

thanks

Ed
N/A

Slow email deliveries ???

I would suggest to plusnet to try greylisting on their non primary MX server to start with then bring them onto their primary's
Mand
Grafter
Posts: 5,560
Thanks: 1
Registered: 05-04-2007

Slow email deliveries ???

Hi there,

We do have someone looking at mxlast04 but it should be stressed that 100k emails is normal load for these servers, and does not usually represent a problem.

The mail queues Bob referred to in Service Status were the mxcores, which delivery the majority of the millions of emails coming through our servers each day.

We are looking at additional ways to combat the spam issue, there is currently a project to tackle this. More information will be made available further into the project.