When posting material from a public or private source outside the Guild, include appropriate bibliographic citations or notices that you are authorized to re-post this material, including the source. Failure to include such notices will result in violation of this rule, and will warrant a suspension from the lists. Please see Quoting and Republication FAQ for information on what is allowed. FAQ document to be created to give additional details on fair use and other details of this rule. File attachments are not allowed on the Guild's lists.
Attachments can contain viruses, and also cause an extreme waste of bandwidth.
If you have something you want to make available, put it on an online server site and send a pointer to the list. You can also state you have it, and have people request it by private e-mail. Guild business should only be discussed on hwg-ops, the mailing list specifically intended for that purpose. This includes questioning the reasoning behind a List Guide message. Please do not reply to or post List Guide messages on any of the Guild' mailing lists.