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/.
> >
> >
>