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Sup is an email client written in Ruby, originally by William Morgan, but now maintained and developed by the Sup community.


See below for platform specific instructions. Or you can refer to the general installation process.

Note that installing sup via both your native package manager and using instructions from this wiki will probably cause problems.

Migration and release specific instructions

Platform specific instructions

Note: We would like to encourage users of sup to contribute to and edit this wiki. If you discover erroneous information or if you use or configured sup in a way that may be valuable to others, please edit or add the information.

Basic Configuration and Getting Started

Configuring the way email leaves

Configuring the way email is retrieved

Advanced Usage

Troubleshooting and Known Issues

Sup development



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