dcommit to sourceforge - how do I tweak my .git/config and authors file?

Question

Here are the relevant parts of my config:

$ cat .git/config
[svn-remote "svn"]
        ignore-paths = ^(?:Releases|Projects|Scripts|Games|)/|^Programs/(?:Nif S\
canner|Nif Viewer|Raziel23x's Oblivion Toolset|Shader Disasm|Shader Editor)/
        url = svn://svn.code.sf.net/p/oblivionworks/code
        fetch = Programs/Wrye Bash:refs/remotes/svn/trunk
        branches = Branches/Wrye Bash/*:refs/remotes/svn/*
        tags = Tags/Wrye Bash/*:refs/remotes/svn/tags/*
[svn]
        authorsfile = authors_with_emails.txt

Tried:

MrD@MRSD /c/dropbox/eclipse_workspaces/python/git_svn_WB (master)
$ git svn dcommit --username MYUSERNAME
Committing to svn://svn.code.sf.net/p/oblivionworks/code/Programs/Wrye%20Bash ...

ERROR from SVN:
Authorization failed: Authorization failed
W: 083f21d9aa799b62e325b5bb348f1ee82f9d7085 and refs/remotes/svn/trunk differ, u
sing rebase:
:040000 040000 f8e70f1f4670274788def25b32bd5d7246206b7b f05b3db6f8d2ea5ff54cd040
c4ef685cdd453233 M      Mopy
Current branch master is up to date.
ERROR: Not all changes have been committed into SVN, however the committed
ones (if any) seem to be successfully integrated into the working tree.
Please see the above messages for details.

As you see I am at master (where I just cherry picked one commit from a git branch - no fancy merging and stuff)

I have two questions:

• How do I tweak the url in the config - or what <URL> should I pass to --commit-url <URL> flag ? I don't want to mess anything up and end up committing in the wrong branch (as you see the svn layout is non standard)

• Actually I am committing another's changes. I edited the commit message to add:

  Subject
  
  Body
  
  Signed-off-by: AUTHOR <EMAIL> # added
  

  where AUTHOR matches the name in the SVN config but EMAIL does not. Is this enough for the author to be recorded properly ? I believe the email won't make a difference in the SVN side

I just want to be extra sure cause I don't want to mess up the SVN repo. I'd rather push over https.