a4c46581ab
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Postfix 19991231 patch 09 fixes a memory corruption problem, and
includes a long list of minor bugfixes and robustness improvements
that already featured in snapshot releases (or that will feature
in the next one).
- When propagating an address extension to the right-hand side
of a virtual or canonical mapping, the cleanup server could
access memory that was no longer allocated and die with signal
11. This would happen when the result address length was more
than about 100 characters. Credit to Adi Prasaja @ satunet.com
for coming up with a small reproducible demo.