Task#17503 Implement a way to check whether recipient emails are real

This is done in email archive, when viewing specific email details
by pressing a button. The check is time consuming (2-4 seconds per
address)

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20460 a0171fae-0946-0410-966d-b1775066cd26
Fix test for NaayaCore.EmailTool

Refactor: factor out duplicate code.

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20461 a0171fae-0946-0410-966d-b1775066cd26
Avoid duplicates when checking validity of emails

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20465 a0171fae-0946-0410-966d-b1775066cd26
Revert "Avoid duplicates when checking validity of emails"

This reverts commit 629e8ee13792758048d66b943c81ddda707a1a55.

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20468 a0171fae-0946-0410-966d-b1775066cd26
Revert "Task#17503 Implement a way to check whether recipient emails are real" but keep refactoring

This reverts commit 3c27c063068a3aa688092f9a915d31533d59aff7.
But keeps duplicate code refactoring in EmailTool and a more exigent
test

Conflicts:
	Naaya/Products/NaayaCore/EmailTool/EmailTool.py
	Naaya/Products/NaayaCore/EmailTool/tests/testEmail.py

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20472 a0171fae-0946-0410-966d-b1775066cd26