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Wednesday, 11 December 2019 Dereel Images for 11 December 2019
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More email fun
Topic: technology, opinion Link here

Another mail bounce message today, reminding me that the status quo is insufficient: the current external mail server (oldwww.lemis.com) claims to be www.lemis.com, but that's a different address, causing a number of sites, notably FreeBSD, to reject mail. I need to change something for my outgoing mail. But since they removed the block on my outgoing SMTP, there's no reason to use any external server as a relay any more. So how about just updating the transport database to deliver directly?

No go:

Dec 11 11:34:02 eureka postfix/cleanup[8344]: BDB72263592: message-id=<20191211003402.BDB72263592@eureka.lemis.com>
Dec 11 11:34:02 eureka postfix/qmgr[8264]: BDB72263592: from=<groggyhimself@lemis.com>, size=308, nrcpt=1 (queue active)
Dec 11 11:34:02 eureka postfix/smtp[8346]: BDB72263592: to=<groggyhimself@freebsd.org>, relay=none, delay=0.22, delays=0.02/0.01/0.2/0, dsn=4.4.4, status=SOFTBOUNCE (Host or domain name not found. Name service error for name=mail type=A: Host not found)
Dec 11 11:34:41 eureka postfix/pickup[8263]: DB1DE263594: uid=1004 from=<groggyhimself>

Huh? Of course there's a name. In fact, there are at least two, depending on which IP address, a detail that the message politely omitted. But it works from lagoon. Doesn't it? Sent a message, and it worked fine:

Dec 11 11:36:08 lagoon sm-mta[82461]: xBB0a8Zi082461: from=<groggyhimself@lagoon.lemis.com>, size=372, class=0, nrcpts=1, msgid=<201912110036.xBB0a7Xl082460@lagoon.lemis.com>, proto=ESMTPS, daemon=Daemon0, relay=localhost [127.0.0.1]
Dec 11 11:36:08 lagoon sendmail[82460]: xBB0a7Xl082460: to=groggyhimself@freebsd.org, ctladdr=groggyhimself (1004/1000), delay=00:00:01, xdelay=00:00:00, mailer=relay, pri=30038, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (xBB0a8Zi082461 Message accepted for delivery)
Dec 11 11:36:18 lagoon sm-mta[82463]: STARTTLS=client, relay=mx1.freebsd.org., version=TLSv1.3, verify=FAIL, cipher=TLS_AES_256_GCM_SHA384, bits=256/256
Dec 11 11:36:22 lagoon sm-mta[82463]: xBB0a8Zi082461: to=<groggyhimself@freebsd.org>, ctladdr=<groggyhimself@lagoon.lemis.com> (1004/1000), delay=00:00:14, xdelay=00:00:14, mailer=esmtp, pri=30372, relay=mx1.freebsd.org. [96.47.72.80], dsn=2.0.0, stat=Sent (Ok: queued as 47XdK36RSFz4TmG)

Well, there were some strange messages in there. What's this STARTTLS? The important thing, though, was that the message got through.

OK, I need to read up, but the obvious thing to do is to use lagoon as the relay. Update transport again on eureka, and modify the config on lagoon to relay from the local network. That wasn't helped by a complete change in the main.cf file, with nearly 1000 lines of diffs between my current file and the sample configuration file. At one point I got:

Dec 11 11:45:03 lagoon postfix/smtpd[82503]: fatal: in parameter smtpd_relay_restrictions or smtpd_recipient_restrictions, specify at least one working instance of: reject_unauth_destination, defer_unauth_destination, reject, defer, defer_if_permit or check_relay_domains

OK, look for smtpd_relay_restrictions in main.cf. Not there! I had to add it. But why the message in the first place?

Even after fixing that, it didn't work:

Dec 11 12:29:08 lagoon postfix/smtpd[82727]: 1185CD7BD4: client=eureka.lemis.com[192.109.197.137]
Dec 11 12:29:08 lagoon postfix/cleanup[82732]: 1185CD7BD4: message-id=<20191211004156.B4BA6263594@eureka.lemis.com>
Dec 11 12:29:08 lagoon postfix/qmgr[82726]: 1185CD7BD4: from=<groggyhimself@lemis.com>, size=502, nrcpt=1 (queue active)
Dec 11 12:29:12 lagoon postfix/smtp[82741]: 1185CD7BD4: host mx1.freebsd.org[96.47.72.80] said: 451-4.7.1 Try again later 451 4.7.1 in case of permanent delivery errors (e.g. 5XX SMTP errors) please send your problem report from a non-blocked location (e.g. gmail/yahoo) to postmaster@FreeBSD.org and include the following information: time (Dec 11 01:29:15) and client (167.179.139.35). (in reply to end of DATA command)
Dec 11 12:29:13 lagoon postfix/smtp[82741]: 1185CD7BD4: to=<groggyhimself@freebsd.org>, relay=mx66.freebsd.org[96.47.72.85]:25, delay=5.8, delays=0.06/0.02/4.8/0.9, dsn=4.7.1, status=deferred (host mx66.freebsd.org[96.47.72.85] said: 451-4.7.1 Try again later 451 4.7.1 in case of permanent delivery errors (e.g. 5XX SMTP errors) please send your problem report from a non-blocked location (e.g. gmail/yahoo) to postmaster@FreeBSD.org and include the following information: time (Dec 11 01:29:17) and client (167.179.139.35). (in reply to end of DATA command))

What went wrong there? At least the second message is different, but what does “try again later” mean?

It seems that this time it wasn't my fault. While I was scratching my head, the other shoe dropped:

Dec 11 12:39:00 lagoon postfix/qmgr[82726]: 1185CD7BD4: from=<groggyhimself@lemis.com>, size=502, nrcpt=1 (queue active)
Dec 11 12:39:03 lagoon postfix/smtp[82773]: 1185CD7BD4: to=<groggyhimself@freebsd.org>, relay=mx1.freebsd.org[96.47.72.80]:25, delay=596, delays=592/0.01/2.5/1.3, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 47XfjQ1ZJ5z4Wxd)
Dec 11 12:39:03 lagoon postfix/qmgr[82726]: 1185CD7BD4: removed

So it looks as if it was a problem at the other end, and on the second try the mail went through, along with a lot of other stuff.

This is getting more and more confusing. I knew this stuff well 20 years ago, but it looks like I should start from scratch and revisit everything


NBN outages: Telstra to the rescue?
Topic: technology, opinion Link here

The situation with NBN reliability remains unacceptable. But today on IRC, Peter Jeremy pointed me to a search path to find that Telstra apparently offers a “modem” for NBN that features 4G wireless backup—for no extra cost, if I read the documentation correctly. Yes, only 6 MB/s downlink, but not so long ago that was a luxury:


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Is it worth going through the pain with Telstra to get that feature? The pain started with “check your address”, with this tastefully formatted message:

 
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Why no FW signup online? The last thing I need is to talk with a “consultant” who would fail the Turing test, to potentially discover that this “modem” offer doesn't apply to fixed wireless.

Now wouldn't it be nice if Aussie Broadband would come up with something like that?


Repotting curry tree
Topic: gardening, opinion Link here

Our Curry tree lost its remaining leaves in the wind, but it's not dead:


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Are those still mite webs on the second image? Or does this damage indicate an infection?


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Maybe I should cut it back from those points.

Repotted it as planned today, in the process planting a number of suckers in individual pots:


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Thursday, 12 December 2019 Dereel Images for 12 December 2019
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Christmas photo, take 2
Topic: photography, general, opinion Link here

Somehow Monday's attempts at Christmas photos weren't quite what we wanted. It occurred to me that we have more animals than just cats and dogs, and they're better trained. How about a different view this year? From left to right Valeta (with a single t), Yvonne, myself and Carlotta:


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That sounded easier than it was. Yes, the horses are well-behaved, but it was cold outside (after all, it is December), and they wanted a warm-up first:


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Finally we had them together, and we positioned them:


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Press the button on the remote control. Don't hear anything. And only one photo. Did the shutter go off? Checked the remote control and found the LED blinking. Battery empty? Off back to the house to get new batteries, and then discovered that the remote control was set incorrectly to something that the camera doesn't understand. Reset, replace batteries anyway, and back.

Press the button on the remote control. Don't hear anything. Check. Yes, firing normally. Just a very quiet shutter.

So: is it now worth adding some ducks to the photo? We had them there until the horses started running around:


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But I don't think it would add much.


More mail fun
Topic: technology, opinion Link here

So now mail is working, if not quite the way I expected. Still, until I read up on the subject it'll do the job.

But then Yvonne came and told me that Danielle Teo wasn't getting the email that she sent. Danielle's on Gmail, and it's easy enough to check:

Dec 11 16:46:15 lagoon sm-mta[83327]: xBB5kFGK083327: from=<yxlehey@lagoon.lemis.com>, size=1312, class=0, nrcpts=1, msgid=<20191211054615.GC73821@lagoon.lemis.com>, proto=ESMTPS, daemon=Daemon0, relay=localhost [127.0.0.1]
Dec 11 16:46:15 lagoon sendmail[83324]: xBB5kFXI083324: to=daniteo@gmail.com, ctladdr=yxlehey (1005/1001), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=31129, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (xBB5kFGK083327 Message accepted for delivery)
Dec 11 16:46:20 lagoon sm-mta[83329]: xBB5kFGK083327: to=<daniteo@gmail.com>, ctladdr=<yxlehey@lagoon.lemis.com> (1005/1001), delay=00:00:05, xdelay=00:00:05, mailer=esmtp, pri=31312, relay=gmail-smtp-in.l.google.com. [74.125.24.27], dsn=2.0.0, stat=Sent (OK  1576043183 i33si750514pgl.485 - gsmtp)

So what's the issue? It accepted the mail, no complaints. Could Google be performing obscenities? Got Yvonne to send a test email to Danielle and my Gmail account. Look at that!


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“Why is this message in spam? It is similar to messages that were identified as spam in the past.” What does that mean? Follow the question mark? That way stupidity lies. I have no indication why Google silently marks my email as spam.

That may sound trivial, but it's really unfair discrimination. Yvonne has done nothing wrong, but she can't send mail to the world's largest mail provider, and they won't say why. Arguably that's abuse of their market power. One more black mark against Google.

How do I proceed? It seems reasonable to assume that it's related to the MTA configuration, but FreeBSD accepts it where it didn't accept others. At the very least the Google MTA should have rejected it. As it is I have to guess, and if Danielle hadn't reported the problem, we would never have found out.


This page contains (roughly) yesterday's and today's entries. I have a horror of reverse chronological documents, so all my diary entries are chronological. This page normally contains the last two days, but if I fall behind it may contain more. You can find older entries in the archive. Note that I often update a diary entry a day or two after I write it.     Do you have a comment about something I have written? This is a diary, not a “blog”, and there is deliberately no provision for directly adding comments. It's also not a vehicle for third-party content. But I welcome feedback and try to reply to all messages I receive. See the diary overview for more details. If you do send me a message relating to something I have written, please indicate whether you'd prefer me not to mention your name. Otherwise I'll assume that it's OK to do so.


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