Mailinglogger

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- Added support for SMTP servers that require authentication.

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- Restructured to be used as a python package instead of a Zope
Product.

- Added comprehensive documentation and tests.

- Added support for use ZConfig.

- Added support for configuration in both Zope 3 and Zope 2.

- Added support for disutils installation and for egg distribution.

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- Added compatability for Zope 2.8.x+ at the expense of now
being incompatible with Zope 2.7.x.

- Fixed bug in flood protection that often meant no more mail
was ever sent after midnight on the day when the flood
protection was triggered.

- Correct X-Mailer header which was set with a trailing newline
which broke any further headers that were set.

- A date header is now set on all emails sent.

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- Added sending of X-Mailer header with all emails.

- Added %(hostname)s for use in subject format.

- Fixed bug preventing use of summarising logger introduced in
2.3.0.

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- Added the ability to limit the number of emails
sent per hour.

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- Added ability to mute empty log entries