Personally I would pick Emsisoft over Bitdefender simply due to the fact its much more stable and has less bugs. I've tried Bitdefender multiple times in the past and every time I've tried it, it caused my system to boot very slowly and always caused major slow downs for me. I've tried all the workarounds, but it still caused me issues. I do agree that Emsisoft's BB can be a little overzealous at times though.No way Emsisoft is better than Bitdefender
Bitdefender is matured powerful BB all round AV suite -internet Security**
Emsisoft is a power house AV which thoroughly focuses on keeping malware away. It lacks Spam Module and its one engine is Bitdefender. I think you got the answer.
Emsisoft is out of my system for the past > 1 yr..Over active BB..Flags each and every action as suspicious until a cloud query arrives. Lacks Disinfection and a spam Module.It doesnt satisfy for its COST
Use both and get along with 1
My choice Bit Defender
In regards to a spam filter, personally I don't think that's the end all be all feature to have. If that's a feature you want, that's fine, but I think the vast majority of people out there use webmail (Gmail, Outlook, etc...) nowadays.