I just got this mail ... unclear how mail with my gmail account would be causing bounces with this list.

On Sat, Jun 20, 2015 at 8:56 PM, <bitcoin-development-request@lists.sourceforge.net> wrote:
Your membership in the mailing list Bitcoin-development has been
disabled due to excessive bounces The last bounce received from you
was dated 21-Jun-2015.  You will not get any more messages from this
list until you re-enable your membership.  You will receive 3 more
reminders like this before your membership in the list is deleted.

To re-enable your membership, you can simply respond to this message
(leaving the Subject: line intact), or visit the confirmation page at

    https://lists.sourceforge.net/lists/confirm/bitcoin-development/1e595b258d48a8badd07523cbd8a8d74c150803c


You can also visit your membership page at

    https://lists.sourceforge.net/lists/options/bitcoin-development/wtogami%40gmail.com


On your membership page, you can change various delivery options such
as your email address and whether you get digests or not.  As a
reminder, your membership password is

     GavinIsGreat!

If you have any questions or problems, you can contact the list owner
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