To contact a guild officer or the guild leader in game.  Send a tell to any of the following:
                                                           GUILD LEADER - Oteets
                                                           XO                    - Ertok
If you are not a member of the guild "/OOC any officers of Myth Guards of Divine Faith on?"  and someone will anwser you.

Or if you are a member of the guild, contact any officer. If you don't know who they are bring up the guild management UI and poof there they are.

E-mail any officer, or member in game using sonys e-mail system.

Regular e-mail

Guild Leader / Webmaster 
If its important enough to warrant a phone call please feel free to call
707-490-5901   Cingular Cell Phone