" I'd ask for real name, street address, website, a short bio, a captcha, (in summary more personalized info which would also made public in case of approval" - Thierry
I understand, and can see that the above would add "value" to membership - But IMO it probably goes too far..
Thinking from the perspective of someone thinking about signing up - they may (are fairly likely to) be new to theremins, and not familiar with TW - may not have the confidence or feel inclined to disclose a lot of "personal" data, perhaps being unsure (regardless of any assurance given) of how such data may be used / abused.. I probably wouldnt have given my address to TW 7 years ago, spam is not the only issue - unsolicited physical mail and phone calls rank up there with spam as curses of this age.. Yes, more comprehensive 'bio's' and / or a "catalog" of those interested in theremins would be useful to other members (and commercially) - but this should be an opt-in if initiated, not a condition for membership IMO.
In fact, as I see it, "membership" is not the real issue - the real issue is in whats posted to TW.. As you point out, everyone has access to the forums and database for reading / viewing them - The only additional thing that membership confers is the ability to post (and now PM - which is perhaps another potential source of future problems / spam).
IMO, it matters nil what country or bio or website or email host the applicant presents (or whether they can decipher captcha ;-) - What matters is what they post - and in particular what they submit in their first (or perhaps first few) posts.
If the first posts are vetted, this should be enough to determine "suitability" to our world ;-) Someone who posts spam isnt going to (unless they are extremely unusual - and we could probably cope with such miniscule number of "dedicated" spammers) post any genuine believable theremin related questions or content.. Someone whos first posts are 'trivial' and might be "fillers" - perhaps including the word "theremin" but in a context that is "questionable" could have "approval" and membership delayed until they either prove themselves as spammers or show in subsequent posts that they are genuine..
But in the majority of cases, I think it will be clear from their first post whether they are "worthy" of membership (and be granted membership as soon as this has been established beyond reasonable doubt) or spamming scum (to be cast into the lake of fire or sent to Guantanimo).
Surely this would be easier (not the Guantanimo bit, sadly.. ;-) than ammending the registration process? - I see pre-moderation of new posters frequently on other forums - a simple message pops up with something like this: "As you have not posted (or have not submitted enough posts) previously, your post is awaiting moderation - Your post will appear once it has been approved, and when moderators have decided that you are not a potential spam threat, you will be able to post without pre-moderation"
"The function to put member's posts "in moderation" of course requires a good deal of programming if it's not already in place." - GTC
This is possibly the "fly in the ointment" - But to me, if at all possible, it looks like by far the best soultion.
Questions: (more for my curiosity than because I really know why im asking them ;-)
How many members does TW have?
How many new genuine members does TW "sign up" each month / year (average) ?
How many spamming "members" are deleted each month / year (average) ?
Fred.