I see this question is also being discussed on the Announcements/Site News forums
Kasia says it's a tough and maybe a lost battle. The spammers are posting a lot these days.
I'm afraid it's not a good idea, but maybe if it were possible to desable links. I don't know if it's possible to Steve manage it to the phpbb and is a shame we can't post links. An alternative would be typing "dot" instead of ".". the link above would be:
maybe just one dot would be necessary. You can copy and paste or just look at the adress while typing it. We might have new adresses at the bar
The links of the tennis members (everyone but the spammers) were always trustful and helpful. It's really a shame what these spammers are doing to this great forum.
And making a mea-culpa, we should discuss more at the forums, we are too shy. Let's post more than the bastards!