About:config Thunderbird

Sinon, une alternative à Thunderbird : Claws Mail, mutt

javascript.enabled;false mail.purge.ask;false pref.privacy.disable_button.view_passwords;false network.http.sendRefererHeader;0 network.http.sendSecureXSiteReferrer;false mail.chat.enabled;false social.enabled;false network.dns.disableIPv6;true browser.safebrowsing.enabled;false dom.ipc.plugins.java.enabled;false geo.enabled;false mail.cloud_files.enabled;false privacy.donottrackheader.enabled;true media.autoplay.enabled;false media.navigator.enabled;false network.jar.open-unsafe-types;false security.ssl.require_safe_negotiation;true svg.smil.enabled;false network.enableIDN;false network.websocket.enabled;false dom.ipc.plugins.enabled;true network.websocket.allowInsecureFromHTTPS;false network.http.proxy.pipelining;true network.http.pipelining.ssl;true network.http.pipelining;true browser.safebrowsing.enabled;true

1. Remove google

keyword.URL; mail.addr_book.mapit_url.format;

app.update.auto;false app.update.disable_button.showUpdateHistory;false chat.twitter.consumerKey; chat.twitter.consumerSecret; messenger.conversations.autoAcceptChatInvitations;0 purple.logging.log_chats;false messenger.conversations.selections.magicCopyEnabled;false media.webm.enabled;false media.wave.enabled;false media.raw.enabled;false media.opus.enabled;false media.ogg.enabled;false