The Mozilla Thunderbird email client combines a powerful email client and RSS feed reader all in one handy program. Mozilla hates spam just as much as we do, so that’s why they equiped this email program with a powerful spamfilter.

Pro features:

- You can filter using tags, virtual folders help you to sort your email out carefully

- Thunderbird allows you to have RSS feeds showing you the latest RSS updates like new mail messages

- Mozilla Thunderbird will take care of spam mail and detects the junk mail coming in

Contra features:

- The RSS feed reader hasn’t been optimized yet and could be a more powerful tool

- Indexing isn’t used for speed when searching or using virtual folders.

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