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Ed P.
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May 30, 2017 at 7:44 pm #8210
I sent a message to my “Saturday group” earlier (Motorcycle stuff) and I asked for some info.
One chap has sent me what I assume is 12 photocopied pages from a book.
Problem No. 1. I can’t open any of these attached files (jpg’s) using a range of programmes. Only text editor attempts anything, which is basically a header then 224 pages of gobbledigook.
This then led onto:-
Problem No. 2. I tried to reply to sender to explain problem, but when I finished, the usual “Send” button was instead a “Send Later” button. There was also a “save” button which may or may not normally be there. Using this put the message in Drafts, where I could open it, still with “Send later”, and if I cxlicked the “Edit” button, and made a small edit, there was no change, still only “Send later”.
I tried a separate mail rather than reply, and also another reply to somebody else. No change.
Any suggestions?
Les.
May 30, 2017 at 7:55 pm #8212Right, problem No. 2 is solved. I should have tried earlier, but I just did a hard shutdown then started again.
Not only was I invited to send the previously saved messages, but normal service of “Send” button resumed.
The strange jpg’s are still a mystery.
Les.
May 30, 2017 at 8:04 pm #8213Sounds like your internet was down.
Just a hunch, try changing the file from .jpg to .pdf
May 30, 2017 at 8:36 pm #8215Dave, just checked again. The title of the first email was p irving8.jpg[01/12] but the message was an embedded and un-named attachment. I could not open it anyway. So I saved all 12 of them as 01, 02, — 11, and 12 in a folder.
I just tried renaming as 01.jpg, no luck opening, and then 01.pdf. Again could not open.
Never having seen the “Send later” button before, I rang the local ISP helpline just in case there were any problems. He said none, and had never seen the “Send later” in T-bird himself.
And I just needed to look at some pages of Phil Irving’s “Tuning for Speed” Oh! Well.
Les.
May 30, 2017 at 8:45 pm #8217Can you trust the person not to have a nasty on his machine? It all sounds awfully suspicious. Send him a note and ask for a resend as your copy seems corrupt.
May 30, 2017 at 8:54 pm #8220Go back to the text editor. The first line should give you a clue of the correct mime type in case it has been named incorrectly.
e.g. with a test, the first few characters are:
<89>PNG^M
Which tells me it’s a .png.
Oops. code tags not supported.
Arch Linux, on a Ryzen 7 1800X, 32 GB, 5 (yes -5) HDs inc 5 SSDs, 4 RPi 3Bs + 1 RPi 4B - one as an NFS server with two more drives, PiHole (shut yours), Plex server, cloud server, and other random Pi stuff. Nice CoolerMaster case, 2 x NV GTX 1070 8GB, and a whopping 32" AOC 1440P monitor.
May 30, 2017 at 9:28 pm #8223The “Send Later” message sounds like aTBird extension appropriately named “Send Later” which gives a little more flexibility for sending emails. I have been using it ever since the old Outlook was withdrawn . How you got it is a mystery, but as extensions go, I like it.
Its easy when you know how
May 30, 2017 at 11:31 pm #8230Ed, I asked about how the files were created, but the answer was “You need the book”, which I think means he will lend it to me. A pity I sold mine 40 years ago.
D-Dan. Here is the bit you ask about fro the FIRST message–
——=_NextPart_000_000F_01D2D96E.ADBB2A00
Content-Type: image/jpeg;
name=”p irving8.jpg”
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
filename=”p irving8.jpg”/9j/4AAQSkZJRgABAQEBLAEsAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0a
HBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIy
MjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCAuwCLADASIAThe gobbldigook then continues to the bottom of page, and each subsequent page starts and finishes likewise, except for final one, which finishes —
KKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooo
oAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiigAooooAKKKKACiiig
AooooAKKKKACiiigAooooAKKKKACiiigAooooA//2Q==——=_NextPart_000_000F_01D2D96E.ADBB2A00–
Any normal .jpg will open with half a dozen different progs, but these only in the text editors.
OldTimer, You are welcome to it. It has gone now, I prefer the classic layout rather than unusable confusion.
Les
May 31, 2017 at 7:30 am #8235Hmmm -it reminds me of the HP print format commands which sometimes takes place when a malformed ‘print to’ (say print to pdf) takes place.
However it could be an ASCII transliteration of a JPG image. I’ve never seen this before but I’d postulate that you might get it if the jpeg header was stuffed — the firsr byte tells the pc the image format FFD8 for JPEG (compared with 4D42 for bmp). I think for JPEG there may be another SOI marker at another byte offset but this is I think non-standard. Carp smart phone cameras (Samsung in particular) have been known to produce non-standard images from time to time. Here is some info on the corruption caused by a Samsung Galaxy S2.
Obviously if the corruption is caused by the camera a file resend will not fix it! The photo would need to be taken again.
SOI=start of Image – Duh
May 31, 2017 at 9:38 am #8244It looks to me as it is a mime encoded file attachment which has not been decoded on receipt. May be totally wrong but worth looking at.
If so then a mime decoder should sort it out. Search Google for a free one.
May 31, 2017 at 6:23 pm #8298I have been thinking more about this “JPG” (but bear in mind I really don’t have a clue. Somebody else has sent me an openable copy of eight pages. Each one is two sides (open book of course), so if SINGLE pages, there would have been 14 pages, not the 12 of dodgy version (first and last side not relevant).
Anyway, going back to my last message, and the layout when viewed in text editor, it occurs to me that if I open each page and copy into a fresh document WITH NO spacing between end of P1 and beginning of P 2 and so on, I would have one contiguous entity with a header and a footer. At present only the first has a header, and only the last a footer. They must surely require rebuilding, but they were clearly separate.
I will try again later, even though I now have the stuff I needed.
Les.
May 31, 2017 at 7:38 pm #8303I sent a message to my “Saturday group” earlier (Motorcycle stuff) and I asked for some info. One chap has sent me what I assume is 12 photocopied pages from a book. Problem No. 1. I can’t open any of these attached files (jpg’s) using a range of programmes. Only text editor attempts anything, which is basically a header then 224 pages of gobbledigook. This then led onto:- Problem No. 2. I tried to reply to sender to explain problem, but when I finished, the usual “Send” button was instead a “Send Later” button. There was also a “save” button which may or may not normally be there. Using this put the message in Drafts, where I could open it, still with “Send later”, and if I cxlicked the “Edit” button, and made a small edit, there was no change, still only “Send later”. I tried a separate mail rather than reply, and also another reply to somebody else. No change. Any suggestions? Les.
You’re working offline. File > Offline > Work Offline. It can also be triggered with ALT F L W Has the cat been near the keyboard :yes:
It’s possible that Thunderbird buggered up and for some reason took itself offline while you were receiving the email, and corrupted the attachments.
June 1, 2017 at 4:06 pm #8333Tippon, yes, I think TB must have “crashed a bit”, because when I did a full restart, it was OK. If it happens again, I will know, thanks.
I tried making one contiguous file from the 12 individual ones, and deleting all stuff before this line
——=_NextPart_000_000F_01D2D96E.ADBB2A00
But it would only open in text editor, so no luck there.
Maybe I should just forget about it, but I don’t like mysteries.
Les
June 1, 2017 at 7:47 pm #8341Les if you want a guess it crashed in the middle of a jpeg and concatenated because it did not know where the next bytes should be obtained. Look up jpeg file format (or almost any other image format and you will find it highly dependent on the header. Mime files can be even worse as they are structured to be able to handle video chunks of unknown length/ Lose the bit with the chunk and heaven knows where it will go afterwards (least-ways that is the case with mpeg etc). Frankly I have never bothred to learn much about the mime format which adds another layer of transliteration. I do not need to know and life is too short. Mime wiki
Bottom line give up – you are on your own!
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