Eric Biggers wrote: > On Wed, May 31, 2017 at 03:44:15PM -0700, Jonathan Nieder wrote: >> Subject: send-email: Net::SMTP::starttls was introduced in v3.01 >> >> We cannot rely on the starttls method being present in the copy >> of Net::SMTP shipped with perl until v5.21.5~169 (Update libnet to >> CPAN version 3.01, 2014-10-10). >> >> Reported-by: Brandon Williams <bmwill@xxxxxxxxxx> >> Reported-by: Eric Biggers <ebiggers3@xxxxxxxxx> >> Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx> >> --- [...] >> +++ b/git-send-email.perl >> @@ -1354,7 +1354,7 @@ EOF >> } >> >> require Net::SMTP; >> - my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("1.28"); >> + my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("3.01"); >> $smtp_domain ||= maildomain(); >> >> if ($smtp_encryption eq 'ssl') { >> -- > > Yes, that solves the problem for me. Thanks. Mining through https://github.com/gbarr/perl-libnet, I find $ git log -Sstarttls [...] commit b4a7a274a7fe5344c154abc4b3fdd7c446d36370 Author: Steffen Ullrich <Steffen_Ullrich@xxxxxxxx> Date: Fri May 9 23:15:48 2014 +0200 SSL and IPv6 support for Net::SMTP $ git show b4a7a274a7fe5344c154abc4b3fdd7c446d36370 [...] diff --git a/Net/SMTP.pm b/Net/SMTP.pm index 705b5c5..fcc124f 100644 --- a/Net/SMTP.pm +++ b/Net/SMTP.pm @@ -18,7 +18,31 @@ use Net::Config; $VERSION = "2.33"; [...] $ git log -p --ancestry-path b4a7a274a7fe5344c154abc4b3fdd7c446d36370..HEAD -- Net/SMTP.pm [...] commit 67b37d5c7118f9af50e5a5a00c242992caba3b8d Author: Steve Hay <steve.m.hay@xxxxxxxxxxxxxx> Date: Mon Jun 2 14:13:55 2014 +0100 Bump $VERSION in changed modules diff --git a/Net/SMTP.pm b/Net/SMTP.pm index 4496f6f..9dfaadf 100644 --- a/Net/SMTP.pm +++ b/Net/SMTP.pm @@ -16,7 +16,7 @@ use IO::Socket; use Net::Cmd; use Net::Config; -$VERSION = "2.34"; +$VERSION = "2.35"; # Code for detecting if we can use SSL my $ssl_class = eval { I think 2.35 is the correct minimum version. Jonathan