Francesc Pe?alvez: > Url is broken WILL != IS.
Wietse > El 22/09/2019 a las 16:47, Wietse Venema escribi?: > > [An on-line version of this announcement will be available at > > http://www.postfix.org/announcements/postfix-3.4.7.html] > > > > Fixed in Postfix 3.4: > > > > * Robustness: the tlsproxy(8) daemon could go into a loop, logging > > a flood of error messages. Problem reported by Andreas Schulze > > after enabling SMTP/TLS connection reuse. > > > > Fixed in all supported stable releases: > > > > * Workaround: OpenSSL changed an SSL_Shutdown() non-error result > > value into an error result value, causing logfile noise. > > > > * Configuration: the new 'TLS fast shutdown' parameter name was > > implemented incorrectly. The documentation said > > "tls_fast_shutdown_enable", but the code said "tls_fast_shutdown". > > This was fixed by changing the code, because no-one is expected > > to override the default. > > > > * Performance: workaround for poor TCP loopback performance on > > LINUX, where getsockopt(..., TCP_MAXSEG, ...) reports a bogus > > TCP maximal segment size that is 1/2 to 1/3 of the real MSS. > > To avoid client-side Nagle delays or server-side delayed ACKs > > caused by multiple smaller-than-MSS writes, Postfix chooses a > > VSTREAM buffer size that is a small multiple of the reported > > bogus MSS. This workaround increases the multiplier from 2x to > > 4x. > > > > * Robustness: the Postfix Dovecot client could segfault (null > > pointer read) or cause an SMTP server assertion to fail when > > talking to a fake Dovecot server. The Postfix Dovecot client > > now logs a proper error instead. Problem reported by Tim > > D?sterhus. > > > > Fixed in Postfix 3.1, 3.2, 3.3: > > > > * Robustness: null pointer read while logging a warning after a > > postscreen_command_filter read error. This was already fixed > > in Postfix 3.4 and later. > > > > You can find the updated Postfix source code at the mirrors listed > > at http://www.postfix.org/. > > > > >