Hi,
It seems Launchpad sends emails for bugs to each recipient in separate SMTP transactions:
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: 98649803E5: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: 9C79F80415: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: A099380431: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: A41E380465: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: A870D8046D: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: AC3888046F: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: B2CE480472: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: B66B180473: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: B9D98804A2: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: BD8BD804ED: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: C11C580500: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: C4E468055B: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: C9BDE80587: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: CDE3A8059E: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: D170B805AC: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: D50E5805B5: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: D8BEF805B9: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: DCA90805D5: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: E1262805D6: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: E4EB5805D9: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: E913D805EE: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: ED12280620: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<REDACTED@163.com> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: F0E0E80637: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
Searching for each (two from the above as an example):
| ubuntu@juju-98d295-prod-launchpad-16:~$ fgrepmail-logs E4EB5805D9
|
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/smtpd[214420]: E4EB5805D9: client=localhost[127.0.0.1]
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: E4EB5805D9: message-id=<171469732418.1676253.4563505263479121621.malone@juju-98d295-prod-launchpad-7>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: E4EB5805D9: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:56:55 juju-98d295-prod-launchpad-16 postfix/qmgr[206010]: E4EB5805D9: from=<email address hidden>, size=3418, nrcpt=1 (queue active)
| May 3 00:59:30 juju-98d295-prod-launchpad-16 postfix/smtp[215439]: E4EB5805D9: to=<email address hidden>, relay=launchpad.smtp.canonical.com[185.125.188.250]:25, delay=255, delays=100/155/0.04/0.03, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 06CBC5B46E)
| May 3 00:59:30 juju-98d295-prod-launchpad-16 postfix/qmgr[206010]: E4EB5805D9: removed
| ubuntu@juju-98d295-prod-launchpad-16:~$ fgrepmail-logs B9D98804A2
|
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/smtpd[214420]: B9D98804A2: client=localhost[127.0.0.1]
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: B9D98804A2: message-id=<171469732418.1676253.4563505263479121621.malone@juju-98d295-prod-launchpad-7>
| May 3 00:55:14 juju-98d295-prod-launchpad-16 postfix/cleanup[214422]: B9D98804A2: warning: header Subject: [Bug 2061265] Re: fluentd stock image in 2023.2 will not start from localhost[127.0.0.1]; from=<email address hidden> to=<email address hidden> proto=ESMTP helo=<[10.131.215.246]>
| May 3 00:56:54 juju-98d295-prod-launchpad-16 postfix/qmgr[206010]: B9D98804A2: from=<email address hidden>, size=3532, nrcpt=1 (queue active)
| May 3 00:59:29 juju-98d295-prod-launchpad-16 postfix/smtp[215464]: B9D98804A2: to=<email address hidden>, relay=launchpad.smtp.canonical.com[185.125.188.251]:25, delay=255, delays=100/155/0.01/0.06, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 803B64DB39)
| May 3 00:59:29 juju-98d295-prod-launchpad-16 postfix/qmgr[206010]: B9D98804A2: removed
Any chance we could group them having LP send a batch in a single SMTP transaction? This would greatly reduce the load on the SMTP relays used.
