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email lunacy
by mick 30 Dec '20

30 Dec '20

Hi and Merry Christmas to all I am having a problem with my email server and would like some advice as to the best way forward. I have run my own SMTP server for about a decade now (beginning at bytemark, but now hosted with Hetzner - which /may/ be the problem). The server (at tap.rlogin.net) runs postfix and dovecot on debian 10 and uses a letsencrypt TLS certificate to transmit mail securely. The server has valid DKIM and SPF records and is not listed on any RBL at mxtoolbox.com. I have no problem sending email to any of the major email providers but recently I have had mail refused by two organisations. One is a small company which uses mimecast filters, the other is ntlworld.com (who use cloudmark). The rejections I receive are "hard" 550 refusals with messages referring to the respective filter mechanisms. I have, of course, contacted the companies using these filters and neither are interested in doing anything about it - they simply refer me to the respective filter providers. Here I enter the catch 22 world of email delivery in that I cannot send email to eiether cloudmark or mimecast - because they use their own products. This is a classic example of why RBLs are a bloody stupid idea, but hey. To make matters worse, the preferred feedback mechanism for both cloudmark and miimecast is via on-line feedback forms. Feedback to cloudmark vanishes into a black hole and I have never had a response from them. Mimecast's is even worse in that it doesn't actually work ("internal server error" would you believe). So I'm a bit stuck. I have resorted to sending email to them from a free GMX account I have, but I should not have to do that (and I still await replies anyway). So - I /believe/ (but have no proof) that the reason my mail server fails a "reputation test" is that it is on a network block used by many others, and which may include Tor servers for example. Certainly I have a Tor node on Hetzner (but on a different network block). It strikes me a simply lazy for any admin to block a whole range of addresses on the grounds that it /may/ contain problematic servers, but hey. admins can be lazy. The reason I am seeking advice here is that some of you also run email servers (or may have dome so in the past). Ideally I would like to continue to run my own server. I like the control and flexibility it gives me. But it is becoming increasingly difficult to do so in the face of the kind of opposition I see. I see only two options. 1. I find a new VPS provider which can guarantee that its network will not be blocked by lazy idiots and I move to them. or 2. I give up and move my email to a third party provider (such as Ionos) I am reluuctant to do 2 because apart from the loss of control, I would have to pay for each and every email address I use, and there are several, spread across (currently) four separate domains, there are often limits on the size of the emailboxes, or number of emails you can send, and there are also often limits even on the number of /aliases/ you can have. My current Hetzner server costs me less that three euros a month. I'd be willing to pay more (Bytemark used to cost me £12.00 a month) if I could be sure that I woudn't have to move again. Does anyone have a recommendation for a good VPS provider that would meet my requirements? If not, does anyone have a recommendation for a third party email provider that can accomodate multiple domains and email addresses without charging stupid amounts? Any and all advice gladly accepted. Best for the New Year Mick --------------------------------------------------------------------- Mick Morgan gpg fingerprint: FC23 3338 F664 5E66 876B 72C0 0A1F E60B 5BAD D312 https://baldric.net/about-trivia ---------------------------------------------------------------------

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Re: [ALUG] email lunacy
by Phil Ashby 25 Dec '20

25 Dec '20

On 24 Dec 2020 14:34:25 mick <mbm(a)rlogin.net> wrote: > Subject: [ALUG] email lunacy > ... > Does anyone have a recommendation > for a good VPS provider that would meet my requirements? If not, does > anyone have a recommendation for a third party email provider that > can accomodate multiple domains and email addresses without charging > stupid amounts? I operate a very similar setup (albeit with Exim not Postfix =), and have done so almost without incident for 20ish years. For the last 5 years I have hosted in Azure on a paid account with a fixed IP, who seem to be rather more trusted than the cheapest providers such as Hetzner. Prior to that I was sharing a physical machine hosted by Atomwide (small org), and I'm planning to switch back to an arrangement as described by Chris Green, hosting at home and using my ISP's relay, now that I have sufficient bandwidth locally (this was the only reason I had an external relay at all). It remains to be seen if they block outgoing mail for the various domains I support... testing TBD! Cheers, Phlash.

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Exim4 filtering
by Jenny Hopkins 20 Dec '20

20 Dec '20

Hello, I'm trying to make a global version of the .forward file for exim4, instead of each user having their own. I want this to send messages flagged as spam straight to that users spam box. To do this, I need to extract the user part of the email address. I've found this helpful line: # echo "john(a)somewhere.com" | cut -d@ -f1 john but can't work out how to put it in a format that exim will like. if $h_to: blah then save /home/$home/Maildir/.spam add 1 to n0 endif That "blah" need to extract the name from the header and set it as $home. Any hints welcome! Thanks, Jenny

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Ebay, Firefox and Linux?
by Phil Thane 26 Nov '20

26 Nov '20

Has anyone else come across this recently? I normally use FF but for the last couple of days the Ebay.co.uk website doesn't work properly, it just displays text and links, no images. I've did an online search and it appears to have happened to others in the past though I didn't see any recent examples. Various people suggested back in 2016 that it was OK on Chrome, so I installed Chromium and it does work on that, though it's a bit clunky, the images tear when scrolling. Does anyone know of any FF settings that might fix it? -- Phil Thane www.pthane.co.uk Tweet @pthane 01767 449759 07582 750607

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Re: [ALUG] Ebay, Firefox and Linux? (Mike Montgomery)
by Mike Montgomery 25 Nov '20

25 Nov '20

Hi. This has happened to me before. Turned out to be a DNS issue. Try a different name server. hth. Mike On 25/11/20 12:00, main-request(a)lists.alug.org.uk wrote: > Re: Ebay, Firefox and Linux? (Chris Green) >

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Changing a laptop disk drive (with MS Windows as well as Linux on it)
by Chris Green 26 Oct '20

26 Oct '20

What's the easiest way to change the disk drive in a laptop? I want to change the drive in a Thinkpad from a 240Gb spinning disk to a 480Gb SSD, both are SATA drives. The laptop has only one SATA socket. Can I simply connect both drives to SATA interfaces on another system and (very carefully!) us dd to copy from the old disk to the new one? Will this copy the boot sectors, the windows partitions and everything correctly? I know I'll need to resize the partitions after doing this but the alternative of recreating all the partitions from scratch and then copying the contents of each (there are four partitions I think) seems rather messy. -- Chris Green

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Why is anacron usually set up to only run checks from 07:00 to 23:00?
by Chris Green 24 Oct '20

24 Oct '20

I have a daily backup that is run by a script in /etc/cron.daily, this is thus controlled by anacron so that it gets run once a day even if the system isn't turned on all the time. I noticed that the backup gets run at about 07:30 and on checking how anacron is configured I notice that it only runs hourly from 07:00 through to 23:00. On modern systems this is configured by systemd (systemctl edit --full anacron.timer), on non-systemd systems there are other mechanisms but it still has the same configuration with anacron only being run from 07:00 to 23:00. Is there any reason that it's configured this way? In particular is there any downside to changing it to, say, 03:00 to 23:00? I can't really see any reason why one shouldn't schedule the anacron check *every* hour but maybe there is a reason for having an 8 hour gap. I want my backups run earlier so that there's less chance of me using the system when the backup is running so I have changed the systemd setting from "OnCalendar=*-*-* 07..23:30" to "OnCalendar=*-*-* 03..20:30". My systems are *mostly* turned on all the time but not absolutely always so anacron rather than cron is the best way to run the backups. -- Chris Green

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Gnome character applet
by Bev Nicolson 10 Oct '20

10 Oct '20

A while ago I expressed some frustration that there wasn't a character applet with Mint [Tessa] that included fractions etc. (I know you can use unicode but I've never found that method works for me.) Well I found the Gnome version in Synaptic today but I can't work out how to use it. By this I mean, how to find it in a menu or see it when I right click the panel so I can add one to the panel. I think I have enabled everything I should, and restarted this laptop just in case but nada. I have had a look at the Mint forum. Bev.

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Re: [ALUG] Spectacle file save failing
by Srdjan Todorovic 08 Oct '20

08 Oct '20

On Thu, 8 Oct 2020 at 14:12, Peter Berrie <peter.northerly(a)gmail.com> wrote: > Whatever this is, it survived both upgrade and dist-upgrade. I guess the next thing would be to try it in a VM. You might be able to try it out be creating a new user account - it will have the defaults for all the ~/.config/* files. I'm guessing you can still launch Dolphin fine and browse folder and open files that way? > Its not the end of the world, it is saving the files where they are supposed to go, so just not being able to trigger file opening from that particular menu isn't game over. But it seems very weird. This is very weird indeed. What version of Spectace? I have 19.04.3 Also, check out the 3rd post here: https://forum.kde.org/viewtopic.php?f=224&t=143366 You can see the full list of mimetype associations via: K > System Settings -> Applications -> File Associations -> and find inode/director to check that one. > You helped me once before with Sigil, which is working fine for me now, that was very much appreciated by the way. Oh, I have to admit, I don't remember that. I'm not all that active on ALUG these days (but still use Linux 100% at home :D ) Best regards, Srdjan

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Spectacle file save failing
by Peter Berrie 08 Oct '20

08 Oct '20

Does anyone have any idea how to approach this situation? I am using spectacle, the kde screenshot taker. It has an option to go to the folder in which it stores screenshots. When you try this, it ends up trying opening it in deadbeef the music player! I took a look at .config/mimeapps.list, which didn't help much. There was an entry for deadbeef, something to do with inodes. I deleted it, which did not change anything. Then I uninstalled deadbeef with the result it now goes to vlc! I suppose I could go on deleting all the player applications... but then it would probably start trying to open the folder in something else equally useless. I have noticed this behaviour before but forget exactly when. When answering yes to a prompt of 'open in file manager', what I got was an attempt to open the file in a (different) music player. Does anyone know where this stuff is configured? This is Debian stable, up to date. Something has clearly gone wrong, but what? The nice thing about spectacle is that it allows you to repeat the same screen area selection while taking a series of screenshots. So if for instance you are trying to do a tutorial showing how to edit a picture, you can just keep taking snaps of the small changes without having to redraw the whole area each time you take a shot. Same thing with if you are reading a document in an app and want to take a shot of several pages one after the other. Peter

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