2. The ${readsocket } expansion item now takes a "tls" option, doing the
obvious thing.
+ 3. EXPERIMENTAL_REQUIRETLS. See the experimental.spec file.
+
+ 4. If built with SUPPORT_I18N a "utf8_downconvert" option on the smtp transport.
+
+ 5. A "pipelining" log_selector.
+
+ 6. Builtin macros for supported log_selector and openssl_options values.
+
Version 4.91
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