Change log file for Exim from version 4.21
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+Exim version 4.81
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+
+PP/01 Add -bI: framework, and -bI:sieve for querying sieve capabilities.
+
+
Exim version 4.80
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tls_dhparam take prime identifiers. Also unbreak combination of
OpenSSL+DH_params+TLSSNI.
+PP/39 Disable SSLv2 by default in OpenSSL support.
+
Exim version 4.77
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