[gbm]

I just sent a ebook using calibre email to kindle via gmx. Ebook was on my kindle within a couple minutes.

$ calibre-debug -g
calibre 6.7.1  embedded-python: True
Linux-5.15.0-52-generic-x86_64-with-glibc2.35 Linux ('64bit', 'ELF')
('Linux', '5.15.0-52-generic', '#58-Ubuntu SMP Thu Oct 13 08:03:55 UTC 2022')
Python 3.10.1
Interface language: None
Successfully initialized third party plugins: DeACSM (0, 0, 16) && DeDRM (10, 0, 3) && Baen (1, 1, 0) && Barnes & Noble (1, 4, 0) && Diaps Editing Toolbag (0, 4, 0) && EpubMerge (2, 15, 0) && EpubSplit (3, 5, 0) && Goodreads (1, 7, 1) && Hyphenate This! (0, 1, 3) && KePub Metadata Reader (3, 4, 3) && KePub Metadata Writer (3, 4, 3) && KePub Output (3, 6, 3) && KindleUnpack - The Plugin (0, 83, 1) && Kobo Books (1, 9, 2) && Kobo Utilities (2, 16, 6) && Modify ePub (1, 8, 0) && Quality Check (1, 13, 0)
QPA platform: xcb
devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 92.53889943074003 x 92.67567567567568
Using calibre Qt style: True
[0.00] Starting up...
[0.00] Showing splash screen...
[0.06] splash screen shown
[0.06] Initializing db...
[0.24] db initialized
[0.24] Constructing main UI...
DEBUG:    0.0 Kobo Utilities Configuration - CreateNewCustomColumn is supported
DEBUG:    0.0 KoboUtilites::action.py - loading translations
DEBUG:    0.0 KoboUtilites::dialogs.py - loading translations
DEBUG:    0.0 KoboUtilites::action.py - loading translations
qt.gui.imageio: libpng warning: iCCP: known incorrect sRGB profile
qt.gui.imageio: libpng warning: iCCP: known incorrect sRGB profile
EpubMerge: DEBUG: 2022-11-03 12:43:11,561: calibre_plugins.epubmerge.epubmerge_plugin(154): macmenuhack file_path:/home/cocadog/.config/calibre/plugins/fanficfare_macmenuhack.txt
Key '' for shortcut Book list header menu is already used by Manage categories, ignoring
DEBUG:    0.8 No Kobo Touch, Glo or Mini appears to be connected
DEBUG:    0.8 rebuild_menus - self.supports_ratings=None, self.supports_tiles=None
DEBUG:    0.8 KoboUtilities:set_toolbar_button_tooltip - start: text='None'
DEBUG:    0.8 device_driver_name - could not load extended driver. Exception= No module named 'calibre_plugins.kobotouch_extended'
DEBUG:    0.8 KoboUtilities:set_toolbar_button_tooltip - setting to text='Utilities to use with Kobo ereaders

Driver: KoboTouch'
DEBUG:    0.8 device_driver_name - could not load extended driver. Exception= No module named 'calibre_plugins.kobotouch_extended'
Key '' for shortcut Book list header menu is already used by Manage categories, ignoring
Key '' for shortcut Book list header menu is already used by Manage categories, ignoring
[1.32] main UI initialized...
[1.33] Hiding splash screen
Starting QuickView
[1.64] splash screen hidden
[1.64] Started up in 1.64 seconds with 3519 books
Device using plugboard epub email None
Job: 0 Email Telzey Amberdon to xxxxxx@kindle.com finished
Starting job: Email Telzey Amberdon to xxxxxx@kindle.com 
	connect: to ('mail.gmx.com', 587) None 
	reply: b'220 gmx.net (mrgmx104) Nemesis ESMTP Service ready\r\n' 
	reply: retcode (220); Msg: b'gmx.net (mrgmx104) Nemesis ESMTP Service ready' 
	connect: b'gmx.net (mrgmx104) Nemesis ESMTP Service ready' 
	send: 'ehlo [127.0.1.1]\r\n' 
	reply: b'250-gmx.net Hello [127.0.1.1] [173.16.52.26]\r\n' 
	reply: b'250-8BITMIME\r\n' 
	reply: b'250-SIZE 69920427\r\n' 
	reply: b'250 STARTTLS\r\n' 
	reply: retcode (250); Msg: b'gmx.net Hello [127.0.1.1] [173.16.52.26]\n8BITMIME\nSIZE 69920427\nSTARTTLS' 
	send: 'STARTTLS\r\n' 
	reply: b'220 OK\r\n' 
	reply: retcode (220); Msg: b'OK' 
	send: 'ehlo [127.0.1.1]\r\n' 
	reply: b'250-gmx.net Hello [127.0.1.1] [173.16.52.26]\r\n' 
	reply: b'250-8BITMIME\r\n' 
	reply: b'250-AUTH LOGIN PLAIN\r\n' 
	reply: b'250 SIZE 69920427\r\n' 
	reply: retcode (250); Msg: b'gmx.net Hello [127.0.1.1] [173.16.52.26]\n8BITMIME\nAUTH LOGIN PLAIN\nSIZE 69920427' 
	send: AUTH <censored> 
	reply: b'235 Authentication succeeded\r\n' 
	reply: retcode (235); Msg: b'Authentication succeeded' 
	send: 'mail FROM:<xxxxxx@gmx.com> size=646022\r\n' 
	reply: b'250 Requested mail action okay, completed\r\n' 
	reply: retcode (250); Msg: b'Requested mail action okay, completed' 
	send: 'rcpt TO:<xxxxxx@kindle.com>\r\n' 
	reply: b'250 OK\r\n' 
	reply: retcode (250); Msg: b'OK' 
	send: 'data\r\n' 
	reply: b'354 Start mail input; end with <CRLF>.<CRLF>\r\n' 
	reply: retcode (354); Msg: b'Start mail input; end with <CRLF>.<CRLF>' 
	data: (354, b'Start mail input; end with <CRLF>.<CRLF>') 
	send: b'From: xxxxxx@gmx.com\r\nTo: xxxxxx@kindle.com\r\nSubject: 6ACwLlrNTTcTTrVscVwCwB\r\nD... 
	reply: b'250 Requested mail action okay, completed: id=1MtwUm-1pBJQJ2Ky4-00uLku\r\n' 
	reply: retcode (250); Msg: b'Requested mail action okay, completed: id=1MtwUm-1pBJQJ2Ky4-00uLku' 
	data: (250, b'Requested mail action okay, completed: id=1MtwUm-1pBJQJ2Ky4-00uLku') 
	send: 'quit\r\n' 
	reply: b'221 gmx.net Service closing transmission channel\r\n' 
	reply: retcode (221); Msg: b'gmx.net Service closing transmission channel' 
	Email successfully sent

My suggestion based on my experience do not copy paste you kindle email address into calibre type it.

My email setup:


bernie

Originally Posted by SilentTardis

also having the same problem, and was using it without problems since 2019