just installed the latest version of Sublimall on ST 3 Build 3062 and edited the config file for my e-mail address, api key and the path to 7-zip (on a Windows OS).
The upload of the file times out (tried it two times). File size: ~19 MB.
2014-05-31 10:23:57 - INFO - 7za_path detected: None
2014-05-31 12:16:03 - INFO - 7za_path detected: D:\Tools\7-Zip\7z.exe
2014-05-31 12:16:52 - INFO - Starting upload
2014-05-31 12:16:52 - INFO - Encrypt enabled
2014-05-31 12:16:52 - INFO - Prompt archive passphrase
2014-05-31 12:17:14 - INFO - Excluded dirs: ['Packages\\Sublimall', 'Installed Packages\\Sublimall.sublime-package']
2014-05-31 12:17:14 - INFO - 7za_path detected: D:\Tools\7-Zip\7z.exe
2014-05-31 12:17:14 - INFO - Command: ['D:\\Tools\\7-Zip\\7z.exe', 'a', '-tzip', '-mx=9', '-y', '-p********', '-x!Packages\\Sublimall*', '-x!Installed Packages\\Sublimall.sublime-package*', 'c:\\users\\highend\\appdata\\local\\temp\\sublime-sync_5e53c84a-fc48-4b08-8956-0e1c72d4eddb.zip', 'D:\\Tools\\Sublime Text\\Data\\Installed Packages', 'D:\\Tools\\Sublime Text\\Data\\Packages']
2014-05-31 12:19:20 - ERROR - Server (http://sublimall.org/api/upload/) time out, request take too long, try later.
==========[EXCEPTION]==========
HTTPConnectionPool(host='sublimall.org', port=80): Request timed out. (timeout=120)
===============================
2014-05-31 13:23:05 - INFO - 7za_path detected: D:\Tools\7-Zip\7z.exe
2014-06-01 00:59:11 - INFO - Starting upload
2014-06-01 00:59:11 - INFO - Encrypt enabled
2014-06-01 00:59:11 - INFO - Prompt archive passphrase
2014-06-01 00:59:29 - INFO - Excluded dirs: ['Packages\\Sublimall', 'Installed Packages\\Sublimall.sublime-package']
2014-06-01 00:59:29 - INFO - 7za_path detected: D:\Tools\7-Zip\7z.exe
2014-06-01 00:59:29 - INFO - Command: ['D:\\Tools\\7-Zip\\7z.exe', 'a', '-tzip', '-mx=9', '-y', '-p********', '-x!Packages\\Sublimall*', '-x!Installed Packages\\Sublimall.sublime-package*', 'c:\\users\\highend\\appdata\\local\\temp\\sublime-sync_05d9da2a-df4d-4447-b3ab-a8dafc13d4bf.zip', 'D:\\Tools\\Sublime Text\\Data\\Installed Packages', 'D:\\Tools\\Sublime Text\\Data\\Packages']
2014-06-01 01:01:34 - ERROR - Server (http://sublimall.org/api/upload/) time out, request take too long, try later.
==========[EXCEPTION]==========
HTTPConnectionPool(host='sublimall.org', port=80): Request timed out. (timeout=120)
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