Roundcube Webmail Error 600 Service Unavailable when setting identities for things such as setting your signature.
I just set up an email server for someone and after encouraging them to use it I decided to configure some of the features, one of which was the signature block. I initially just wanted to ensure that the reply that I make to a user has the quoted text from the original email below where I type and to have my signature in the proper place just above the quoted text. I did some searching and found that you have to set this in identities under roundcube's settings. I chose to do this and received an error Service Unavailable Error 600. That's the rough wording. After searching one person said that the issue could be a permissions issue in the plugins folder. I checked and ensured that all the…