Lewis' Blog Tales from the trenches of information technology

Fixing broken folder classes in CommuniGate Pro 5.4

I'm not sure how far back IMAP folders were "classed" in CommuniGate Pro (I should look), however today, when logging in via webmail to accept a calendar invite, I noticed that my calendar wasn't showing as a calendar, but instead like a plain IMAP folder.

The folder class was apparently missing. The manual states that classes may be assigned using the CLI. So, a quick telnet session later (I'm behind the firewall with the server; the CGP CLI port is not exposed to the internet), and I was able to confirm that there was no class assigned to the folder:

getmailboxinfo <myaccount> mailbox "Calendar"
200 data follow
{
  BoxSeq =  #346714522;
  Messages =  #0;
  Size =  #0;
  UIDNext =  #1;
  UIDValidity =  #353155994;
  Unseen =  #0;
}

That's not good. Opening the calendar from webmail simply shows a list of appointments as though they were emails (times and dates, but not in a calendar grid, and attempting to accept an invite with that set as the default/single calendar yields nothing).

The problem is that the manual doesn't state what the string should be to set a folder's class to that of a calendar. So, I created a test calendar, and got the information from there:

getmailboxinfo <myaccount> mailbox "Test Calendar"
200 data follow
{
  BoxSeq =  #346714522;
  Class =  IPF.Appointment;
  Messages =  #0;
  Size =  #0;
  UIDNext =  #1;
  UIDValidity =  #353155994;
  Unseen =  #0;
}

From that, I simply set the same class for my real calendar:

setmailboxclass <myaccount> mailbox Calendar class IPF.Appointment
200 OK

So, it looks like the folder class strings are:

Happy foldering!

Last Updated on October 6th, 2014 by LewisR