When comparing Sylpheed vs The Bat! Professional, the Slant community recommends The Bat! Professional for most people. In the question“What are the best e-mail clients for Windows?” The Bat! Professional is ranked 8th while Sylpheed is ranked 12th. The most important reason people chose The Bat! Professional is:
Has a very small installation footprint.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Reliable
No issues with stability or stuff going missing.
Pro Comprehensive settings
Pro Very very lightweight
It is simple and very lightweight where claws mail added a lot of bloat like themes and plugins slypheed keeps it simple.
Pro Fast and lightweight
Has a very small installation footprint.
Pro Granular control
When you need that setting that does that certain thing, you'll most likely find it in The Bat and nowhere else.
Cons
Con No encrypted mailbox
Likely hasn't been done by anyone since Calypso/Courier back in the 00's.
Con Only available for Windows
Con It's all about cash - support, new licenses policy, bugs. Not worth buying.
Two programmers coding - this means every release is full of bugs sometimes making this app unusable. Dev version is testing via community.