Thunderbird interaction log Record HTTP, IMAP and SMTP connection details Simple one-liner (well 3 in 1) to enable logging for Mozilla Thunderbird on Linux (I’m using Kubuntu 12.10 Quantal at the moment): export NSPR_LOG_MODULES=timestamp,imap:5,smtp:5,nsHttp:5,nsHostResolver:5; export NSPR_LOG_FILE=~/tmp/imap$(date +%s).log; thunderbird