Quote:
Originally Posted by kovidgoyal
Amazon strips all periodical markers from the file if you send it by email. They apparently dont want their email delivery service to be used by third parties for periodicals.
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With my PW1 (Kindle 5.4.4.1 and previous firmware since last October) this problem of archived periodicals not being deleted on the PW1 when 7 issues have been archived also occurs when periodicals are transferred via USB connection, not just by email. Others have described the same problem here. The same periodicals transferred to my old Kindle Keyboard via USB are archived, marked Expiring, and deleted correctly. An Amazon periodical subscription will also be archived, marked Expiring, and deleted correctly on the PW1.
The behaviour of the back issues on the PW1 is the same ever increasing list of back issues for each periodical, none being marked Expiring or deleted, so requiring manual deletion.
However I have found that toggling the "Keep This Issue" setting for an issue causes the seventh and all older issues for that periodical to be marked Expiring, although the older issues remain on the device until the next time an new issue is transferred via USB so causing the previous latest issue to be added to the back issues, at which time all the Expiring issues older than the seventh are deleted. It does not seem to matter whether a back issue is marked Keep or an issue left marked Keep is toggled back by "Do Not Keep This Issue". Either way, older back issues are cleaned out once another issue arrives. If anyone can find why archiving and deletion require this manual intervention, and fix this problem, I, and I suspect many other PW1 (and PW2?) owners generating Calibre periodicals, would be very happy.
My understanding of the advanced setting "Keep at most" is that it applies only to the Calibre Library, not to the Kindle. Kovid can probably confirm this. It would be great if there were an entry in the Mobi file format which could be used to apply this to the Kindle as well, but I do not think that the Mobi format provides any such entry.