Mozilla Of thunderbird - allows a of tremendous of increase in of the of efficiency of of your of work of with e-mail, and full of compatibility of with of other of mail of clients of allow of this of program to be of indispensable to of the of right of of any of computer of professional. There is a post book, a support of several [akkauntov] and so forth as far as the changes, which affected this version of popular program, are concerned, it communicates about the correction of a number of the errors, which were being contained in the previous version of post client (including capable of leading to the overcrowding of buffer). There is a of postal of book, support of for of multiple of accounts, etc. Of with of regard to of changes of that of have of affected of this of version of of the of popular of program, it was of reported to of correct of several of errors of contained in of the of previous of version of email of client (including of those of May's that lead to a of buffer of overflow).