ContactAny questions about Coccinelle may be directed to email@example.com. The mailing list is moderated for non-members. If you would like to join the mailing list, send an empty e-mail to firstname.lastname@example.org. You can also manage your subscription or see the archives at https://systeme.lip6.fr/mailman/listinfo/cocci. The mailing list is also available through gmane.
There is also an IRC channel #cocci on irc.freenode.net. Using the mailing list, however, makes it possible for others to benefit from your questions, both now and in the future.