I was wondering about message size in Mystic A31 so I looked in to it: whats_new_112: Alpha 1
! I accidentally compiled Mystic with a 1000 line message limit. It has been
changed to 10,000 lines per message now.

I tested Mystic A31 (Linux x64) with Alice In Wonderland from the Project Gutenberg http://www.gutenberg.org and found it uploaded just 1006 lines:
Line# Text
---- ------------------------------------------------------------------------ 1004 Which brought them back again to the beginning of the conversation.
1005 Alice felt a little irritated at the Caterpillar's making such VERY
1006 short remarks, and she drew herself up and said, very gravely, 'I think,

The upload stopped at 49247 and 1006 lines. That was the /u upload command
in the message editor. The book is 4741 lines or 167518 bytes as plain UTF-8 text. Of course I don't think the entire text of Alice In Wonderland is right for any echo message base we have on FSXNet. If you want it you can easily
get it from the above website, right click on the Plain Text version and save as or download any of the other versions.

--- Mystic BBS v1.12 A31 (Raspberry Pi)
* Origin: Mystic Pi BBS bcw142.zapto.org (21:1/145)