J'utilise la version TBird 52.1.0 avec Windows10. Je peux envoyer des mails mais je ne peux plus en recevoir ! Merci de votre aide

Jean-Lucas
Voici les informations de dépannage :
Paramètres de base de l’application
Nom: Thunderbird
Version: 52.1.0
Agent utilisateur: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0
Dossier de profil: Ouvrir le dossier correspondant
(Lecteur local)
Identifiant de compilation de l’application: 20170428151619
Plugins activés: about:plugins
Configuration de compilation: about:buildconfig
Utilisation mémoire: about:memory
Profils: about:profiles
Comptes courrier et groupes
account1:
INCOMING: account1, , (pop3) pop.free.fr:995, SSL, passwordCleartext
OUTGOING: , smtp.orange.fr:25, plain, none, true
account2:
INCOMING: account2, , (none) Local Folders, plain, passwordCleartext
Rapports de plantage
Extensions
Lightning, 5.4.1, true, {e2fda1a4-762b-4020-b5ad-a41df1933103}
Préférences modifiées importantes
Nom: Valeur
browser.cache.disk.capacity: 358400
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size_cached_value: 358400
browser.cache.disk.smart_size.first_run: false
browser.cache.disk.smart_size.use_old_max: false
dom.apps.reset-permissions: true
extensions.lastAppVersion: 52.1.0
font.internaluseonly.changed: false
font.name.monospace.el: Consolas
font.name.monospace.x-cyrillic: Consolas
font.name.monospace.x-unicode: Consolas
font.name.monospace.x-western: Consolas
font.name.sans-serif.el: Calibri
font.name.sans-serif.x-cyrillic: Calibri
font.name.sans-serif.x-unicode: Calibri
font.name.sans-serif.x-western: Calibri
font.name.serif.el: Cambria
font.name.serif.x-cyrillic: Cambria
font.name.serif.x-unicode: Cambria
font.name.serif.x-western: Cambria
font.size.fixed.el: 14
font.size.fixed.x-cyrillic: 14
font.size.fixed.x-unicode: 14
font.size.fixed.x-western: 14
font.size.variable.el: 17
font.size.variable.x-cyrillic: 17
font.size.variable.x-unicode: 17
font.size.variable.x-western: 17
gfx.crash-guard.glcontext.appVersion: 45.2.0
gfx.crash-guard.glcontext.deviceID: 0x1912
gfx.crash-guard.glcontext.driverVersion: 20.19.15.4444
gfx.crash-guard.glcontext.gfx.driver-init.direct3d11-angle: true
gfx.crash-guard.glcontext.gfx.driver-init.webgl-angle: true
gfx.crash-guard.glcontext.gfx.driver-init.webgl-angle-force-d3d11: false
gfx.crash-guard.glcontext.gfx.driver-init.webgl-angle-force-warp: false
gfx.crash-guard.glcontext.gfx.driver-init.webgl-angle-try-d3d11: true
gfx.crash-guard.status.glcontext: 2
mail.openMessageBehavior.version: 1
mail.winsearch.firstRunDone: true
mailnews.database.global.datastore.id: 5d41f250-ee47-49cc-ac68-6dd38b09b59
media.gmp.storage.version.observed: 1
network.cookie.prefsMigrated: true
network.predictor.cleaned-up: true
places.database.lastMaintenance: 1494007271
places.history.expiration.transient_current_max_pages: 122334
plugin.importedState: true
print.printer_Microsoft_Print_to_PDF.print_bgcolor: false
print.printer_Microsoft_Print_to_PDF.print_bgimages: false
print.printer_Microsoft_Print_to_PDF.print_evenpages: true
print.printer_Microsoft_Print_to_PDF.print_footercenter:
print.printer_Microsoft_Print_to_PDF.print_footerleft: &PT
print.printer_Microsoft_Print_to_PDF.print_footerright: &D
print.printer_Microsoft_Print_to_PDF.print_headercenter:
print.printer_Microsoft_Print_to_PDF.print_headerleft: &T
print.printer_Microsoft_Print_to_PDF.print_headerright: &U
print.printer_Microsoft_Print_to_PDF.print_in_color: true
print.printer_Microsoft_Print_to_PDF.print_margin_bottom: 0
print.printer_Microsoft_Print_to_PDF.print_margin_left: 0.5
print.printer_Microsoft_Print_to_PDF.print_margin_right: 0.5
print.printer_Microsoft_Print_to_PDF.print_margin_top: 0
print.printer_Microsoft_Print_to_PDF.print_oddpages: true
print.printer_Microsoft_Print_to_PDF.print_orientation: 0
print.printer_Microsoft_Print_to_PDF.print_reversed: false
print.printer_Microsoft_Print_to_PDF.print_scaling: 1,00
print.printer_Microsoft_Print_to_PDF.print_shrink_to_fit: false
privacy.donottrackheader.enabled: true
security.sandbox.content.tempDirSuffix: {8a2e9416-f24f-4323-a334-28ca1065757c}
Accélération graphique
GPU #1
Description: Intel(R) HD Graphics 530
ID du vendeur: 0x8086
ID du périphérique: 0x1912
RAM: Unknown
Pilotes: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32
Version du pilote: 21.20.16.4534
Date du pilote: 10-7-2016
Features
Direct2D: false
DirectWrite: true (10.0.14393.953)
Paramètres ClearType: Gamma: 2,2 Pixel Structure: BGR ClearType Level: 100 Enhanced Contrast: 50
Rendu WebGL: Google Inc. -- ANGLE (Intel(R) HD Graphics 530 Direct3D9Ex vs_3_0 ps_3_0) -- OpenGL ES 2.0 (ANGLE 2.1.0.2a250c8a0e15)
AzureCanvasBackend: skia
AzureCanvasAccelerated: 0
AzureFallbackCanvasBackend: cairo
AzureContentBackend: skia
JavaScript
Ramasse-miettes incrémentiel: 1
Accessibilité
Activée: 0
Empêcher l’accessibilité: 0
Versions des bibliothèques
Version minimale attendue
Version utilisée
NSPR
4.13.1
4.13.1
NSS
3.28.4
3.28.4
NSS Util
3.28.4
3.28.4
NSS SSL
3.28.4
3.28.4
NSS S/MIME
3.28.4
3.28.4