openssl upgrade, libcrypto, libssl confusion

In /usr/src/UPDATING I see

20120712:
        The OpenSSL has been upgraded to 1.0.1c.  Any binaries requiring
        libcrypto.so.6 or libssl.so.6 must be recompiled.  Also, there are
        configuration changes.  Make sure to merge /etc/ssl/openssl.cnf.

Looking at this:

# make -C /usr/src check-old-libs
>>> Checking for old libraries
/lib/libcrypto.so.6
/usr/lib/libssl.so.6
# 

Am I correct that these 2 libraries can be safely deleted?

However, I can't see any version 7 of these libs.
Have these libs been replaced by some other lib?

Finally, I've rebuilt mail/fetchmail and mail/mutt
already several times, but the binaries still
use these 2 libs:

TZAV> ldd /usr/local/bin/mutt
/usr/local/bin/mutt:
        libncursesw.so.8 => /lib/libncursesw.so.8 (0x1202f6000)
        libgssapi.so.10 => /usr/lib/libgssapi.so.10 (0x1203aa000)
        libheimntlm.so.11 => /usr/lib/libheimntlm.so.11 (0x1203ca000)
        libkrb5.so.11 => /usr/lib/libkrb5.so.11 (0x1203e4000)
        libhx509.so.11 => /usr/lib/libhx509.so.11 (0x1204c6000)
        libcom_err.so.5 => /usr/lib/libcom_err.so.5 (0x120550000)
        libcrypto.so.6 => /lib/libcrypto.so.6 (0x120562000)
        ^^^^^^^^^^^^^^^
        libasn1.so.11 => /usr/lib/libasn1.so.11 (0x120812000)
        libwind.so.11 => /usr/lib/libwind.so.11 (0x120918000)
        libheimbase.so.11 => /usr/lib/libheimbase.so.11 (0x120952000)
        libroken.so.11 => /usr/lib/libroken.so.11 (0x120968000)
        libcrypt.so.5 => /lib/libcrypt.so.5 (0x120996000)
        libssl.so.6 => /usr/lib/libssl.so.6 (0x1209d0000)
        ^^^^^^^^^^^^^^^
        libz.so.6 => /lib/libz.so.6 (0x120a72000)
        libintl.so.9 => /usr/local/lib/libintl.so.9 (0x120aaa000)
        libthr.so.3 => /lib/libthr.so.3 (0x120acc000)
        libc.so.7 => /lib/libc.so.7 (0x120b1a000)
        libiconv.so.3 => /usr/local/lib/libiconv.so.3 (0x120dca000)
TZAV> 

TZAV> ldd /usr/local/bin/fetchmail
/usr/local/bin/fetchmail:
        libopie.so.7 => /usr/lib/libopie.so.7 (0x120100000)
        libcrypt.so.5 => /lib/libcrypt.so.5 (0x12011e000)
        libkvm.so.5 => /lib/libkvm.so.5 (0x120158000)
        libcom_err.so.5 => /usr/lib/libcom_err.so.5 (0x120178000)
        libssl.so.6 => /usr/lib/libssl.so.6 (0x12018a000)
        ^^^^^^^^^^^^^^^
        libcrypto.so.6 => /lib/libcrypto.so.6 (0x12022c000)
        ^^^^^^^^^^^^^^^
        libc.so.7 => /lib/libc.so.7 (0x1204dc000)
        libmd.so.6 => /lib/libmd.so.6 (0x12078c000)
TZAV> 

Or will the new library (what is it?) will not
be used unless I delete the old ones?

Thanks

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423