Add a mailbox capacity (too lazy to re-config, add 2 or more times!)

[BBS @ xztu bbsrc3] $ grep max_mail_hold * -r

Libythtbbs / mail.c: max_mail_hold * 2: max_mail_hold;

Libythtbbs / mail.h: #define max_mail_hold (600)

Local_utl / auto_delmail.c: max_mail_hold * 2: max_mail_hold;

Modify libythtbbs / mail.c and local_utl / auto_delmail.c:

Put maxSize * = 10

Change to maxsize = maxsize * 20 (twice)

Make clean under libythtbbs; make install

Make Install under Local_UTL / SRC / NJU09 / SMTH_SSHBBSSD