Binary descriptions:

sylpheed: No summary available for sylpheed in ubuntu zesty.
sylpheed-dbgsym: debug symbols for sylpheed
sylpheed-i18n: No summary available for sylpheed-i18n in ubuntu zesty.
sylpheed-plugins: No summary available for sylpheed-plugins in ubuntu zesty.
sylpheed-plugins-dbgsym: No summary available for sylpheed-plugins-dbgsym in ubuntu artful.

Last common version:

3.5.1-1