The phrase "less spam" means that there is a reduction in unwanted or irrelevant messages or emails that people receive.
Sentences with «less spam»
Is it filtering your blog comments so you can deal with less spam? (webdesignrelief.com)
You're also likely to receive less spam from mildly interested potential matches on paid sites. (itsjustlunchblog.com)
They take time to review profiles and seem to be diligent about filtering the bad profiles out so that you get less spam and fake profiles compared to other sugar daddy dating sites. (comparethedatingmarketplace.com)