Setting up different computer since lightning strike took out my ethernet (but not much else). Using Mint Linux 13. New setup on this computer with all the latest updates including Thunderbird 31. Have imported my old addresses that I've been sending to for years but this new t-bird will not allow some emails saying they are not proper sytax when they are. Nothing has changed on the addresses, just Thunderbird has changed. Because of these few it refuses, it won't sent ANY emails now except for replies. Replies using the very same addresses go through with no problem. Lately it finds just one address it refuses but when I take that one out (have to start over now - won't allow me to delete) then it comes up with a whole other list and DOES NOT SEND ANYTHING. This is damned frustrating, to be frank.