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Bug 165224

Summary: Sometimes I don't receive bug notification e-mails
Product: Community Reporter: Boris Bokowski <bokowski>
Component: MailAssignee: Eclipse Webmaster <webmaster>
Status: RESOLVED WORKSFORME QA Contact:
Severity: critical    
Priority: P3 CC: david_williams, gunnar, jeffmcaffer, john.arthorne, ob1.eclipse
Version: unspecified   
Target Milestone: ---   
Hardware: PC   
OS: Windows XP   
Whiteboard:
Attachments:
Description Flags
Example mail none

Description Boris Bokowski CLA 2006-11-20 16:20:58 EST
Not sure if this is important, but I guess I should mention that I (bugzilla@bokowski.de) am watching myself (Boris_Bokowski@ca.ibm.com).

Sometimes, I don't receive bug notification e-mails.  It seems to be reproducible with bug 162006.  I just added an attachment and saw this result page - which looks fine - , but didn't receive any e-mail about this bug at bugzilla@bokowski.de:

Bugzilla 2.20.1  
Changes Submitted
Attachment #54203 [details] to Bug #162006 Created
Email sent to: bugzilla@bokowski.de, Aaron_Ferguson@ca.ibm.com
Excluding: Boris_Bokowski@ca.ibm.com
Comment 1 Boris Bokowski CLA 2006-11-20 16:23:31 EST
BTW, I did receive a notification for this bug.  Could it be that some servers send e-mail and others don't?
Comment 2 Boris Bokowski CLA 2006-11-20 16:26:36 EST
I did NOT receive a notification for entering comment #1.
Comment 3 Karl Matthias CLA 2006-11-20 16:29:39 EST
You are not normally e-mailed on your own activities.  I checked and your mail address is not being excluded.  Please see if you get mail from this entry.

Karl
Comment 4 Boris Bokowski CLA 2006-11-20 16:32:09 EST
I just received a notification for entering comment #2, but there is still no
notification for comment #1.

Can you find out when these problems started?  Is there a query to find those
bugs for which I may have missed a notification?

BTW, I just received a notification for bug 162006, so I am quite sure this has
nothing to do with specific bugs - it is more likely that it has to do with
some server(s) not sending e-mails.
Comment 5 Boris Bokowski CLA 2006-11-20 16:33:14 EST
(In reply to comment #3)
> You are not normally e-mailed on your own activities.  I checked and your mail
> address is not being excluded.  Please see if you get mail from this entry.

Because of my setup (watching myself) I *do* receive e-mail for anything I do as Boris_Bokowski@ca.ibm.com.
Comment 6 Boris Bokowski CLA 2006-11-20 16:35:35 EST
(In reply to comment #3)
> You are not normally e-mailed on your own activities.  I checked and your mail
> address is not being excluded.  Please see if you get mail from this entry.

No, I didn't.
Comment 7 Denis Roy CLA 2006-11-20 16:37:45 EST
Just posting a comment to trace e-mail
Comment 8 Denis Roy CLA 2006-11-20 16:42:10 EST
My logs indicate that the mail was correctly sent to your inbox:
Nov 20 16:31:37 node4 postfix/smtp[28266]: 6084F12DC: to=<bugzilla@bokowski.de>, relay=mxlb.ispgateway.de[80.67.18.126], delay=3, status=sent (250 ok 1164058297 qp 1476 by mx01.ispgateway.de)
Comment 9 Boris Bokowski CLA 2006-11-20 16:43:03 EST
John just mentioned that today, he received a notification about a bug change
that happened on Friday.  Is maybe one of the servers slower with sending
e-mails than the others?
Comment 10 Boris Bokowski CLA 2006-11-20 16:46:42 EST
(In reply to comment #8)
> My logs indicate that the mail was correctly sent to your inbox

Yes, I received that one.  

I did *not* receive notifications for comments #1, #3, #4, #5.

I *did* receive notifications for comments #0, #2, #6, #7, #8, #9.
Comment 11 Denis Roy CLA 2006-11-20 16:56:57 EST
I am seeing some of these in my logs:

Nov 20 10:01:10 node1 postfix/smtp[32211]: EFA8A4C6B0: to=<bugzilla@bokowski.de>, relay=none, delay=31, status=deferred (connect to mxlb.ispgateway.de[80.67.18.126]: Connection timed out)
Nov 20 12:01:35 node1 postfix/smtp[28552]: D5F914C6BF: to=<bugzilla@bokowski.de>, relay=none, delay=31, status=deferred (connect to mxlb.ispgateway.de[80.67.18.126]: Connection timed out)

ping 80.67.18.126
[snip]
64 bytes from 80.67.18.126: icmp_seq=7 ttl=36 time=120 ms
64 bytes from 80.67.18.126: icmp_seq=9 ttl=36 time=120 ms
64 bytes from 80.67.18.126: icmp_seq=10 ttl=36 time=116 ms
64 bytes from 80.67.18.126: icmp_seq=8 ttl=36 time=2752 ms  <--ouch, out of sequence, and 2.75 seconds later....

On our end, servers are not loaded, and bandwidth is in check.
Comment 12 Boris Bokowski CLA 2006-11-20 17:01:05 EST
So does this mean it's a problem at the ISP hosting bokowski.de?

Does bugzilla just give up if the e-mail cannot be sent right away, or will it try to deliver it at a later time?
Comment 13 Denis Roy CLA 2006-11-20 17:12:36 EST
Once an e-mail is submitted to our mail servers for delivery, bugzilla is out of the picture.  If our mail server does not get proper acknowledgement that the mail was delivered successfully, mail is queued (on our server) and delivery is retried at regular intervals up to a maximum of four days (after which a non-delivery report is sent to the sender and delivery is aborted).
Comment 14 John Arthorne CLA 2006-11-20 18:03:53 EST
I'm definitely seeing lots of strangeness in bugzilla notifications. For this bug, I received:

Email at 4:52 for comment #11
Email at 5:33 for comment #9
Email at 5:37 for comment #10

No email yet for comment #12 or comment #13 (made nearly an hour ago). 

It's quite possible some of this strangeness is caused by mail servers on our end rather than bugzilla/sendmail on eclipse.org end... 
Comment 15 Gunnar Wagenknecht CLA 2006-11-21 01:51:59 EST
FYI, I saw some strange issues by the end of last week. There were quite a couple of bugs where the mail was not sent immediately but with a later comment/change. In such cases, the mail was larger and contained all the changes that were not sent before.
Comment 16 Gunnar Wagenknecht CLA 2006-11-21 01:52:43 EST
Created attachment 54238 [details]
Example mail

Example mail with multiple changes
Comment 17 Denis Roy CLA 2006-11-21 09:34:58 EST
Moving to Community/mail..

For yesterday's 24-hour period alone, IBM mail servers have refused 24,000 eclipse.org mail connections (yes, twenty-four thousand). Of course we spool the mail and try later, but this is not normal, and would explain the delays for IBM people receiving mail.  I've sent log information to Jeff so he can forward it to the appropriate team within IBM - I can't do much about it.  

Similarly, one e-mail I sent to David Williams yesterday at 14:48 (Eastern) was delivered successfully to an IBM mail server at 14:55.  He claims to have not received the mail until 4:00am the next day.  Here again, not an issue with our mail servers.  Perhaps some mail admins "throttle" mail from eclipse.org because we deliver so much to them?

As for comment 0, my mail servers indicate mail was successfully sent to your server.

As for comment 15, this was an issue on one of our servers.  This has been resolved, although Friday+Saturday's queued mail will have been delivered late.

Closing as WORKSFORME, as bugzilla e-mail from eclipse.org is working just fine.
Comment 18 Oleg Besedin CLA 2006-11-22 10:38:39 EST
I am too seeing Bugzilla e-mails being late or not showing up. For me, it started about 2 - 3 days ago. Never had this problem before.