I'm willing to bet this user has some setting in their client treating calendar invites in some fashion (either automatically rejecting or accepting them.)
What happens if you send this user a calendar invite and trace the emissions from that users account for awhile? Ron Scott-Adams [email protected] "The God who gave us life, gave us liberty at the same time; the hand of force may destroy, but cannot disjoin them." (Thomas Jefferson) On Jun 7, 2013, at 17:09 , Albert Shih <[email protected]> wrote: > Le 07/06/2013 ? 10:55:59+0200, Christian Mack a écrit > Hi, > > Thanks for your answer. > >> >> >> Am 2013-06-06 23:09, schrieb Albert Shih: >>> >>> I've a strange report from one of my user. >>> >>> He claim he just receive some message from yahoo (not important can be any >>> server) smtp server for unknown user. >>> >>> Meanning he send a email to this unknown user. Of course he never send this >>> message (spam). >>> >>> First I suspect some basic spam. But when I check the header I see : >>> >>> x-sogo-message-type: calendar:invitation-reply >>> >>> and indeed the message is really send from sogo. >>> >>> My question is : Is it possible sogo reply AUTOMATICALLY to some message ? >>> That's sound very strange to me but...well...I'm want to be sure. >>> >> >> If you use resource accounts, then yes. >> They will automatically accept invitations, if the desired time frame is >> not already used up by other events. >> Accepting invitations from users outside SOGo means sending them an email. >> >> That is by design, and the sole purpose of resource accounts. >> > > Well the point is I don't use resource accounts. And more strange the first > mail was a spam. > > What I can find in the log, > > someone on internet send a spam to my user. > > sogo answer automaticaly to this spam > > of course the spammer address don't exist > > so the user received a return warning message say the spammer address > don't exist. > > I'm little worry about that because that's mean if it's really append, some > spammer can use sogo as spam realy. > > Regards. > > -- > Albert SHIH > DIO bâtiment 15 > Observatoire de Paris > 5 Place Jules Janssen > 92195 Meudon Cedex > France > Téléphone : +33 1 45 07 76 26/+33 6 86 69 95 71 > xmpp: [email protected] > Heure local/Local time: > ven 7 jui 2013 23:05:45 CEST > -- > [email protected] > https://inverse.ca/sogo/lists -- [email protected] https://inverse.ca/sogo/lists
