Item15331: TLS version problem when sending email

Recently my installation of Foswiki (version 2.1.7) has failed to send emails to a postfix server, due to the specification of an old version of TLS - TLSv1.

I don't know when this started, but suspect it was an upgrade to the postfix server, to stop accepting this old version of TLS.

According to this website: https://metacpan.org/pod/IO::Socket::SSL

the recommendation is not to specify SSL_version, under "Common Usage Errors".

To get my installation of Foswiki working again, I removed the following line from Foswiki-2.1.7/lib/Foswiki/Net.pm

SSL_version => ( ( $tls || $starttls ) ? 'TLSv1' : 'SSLv3' ),

i.e. removing the specification of SSL_version.

I see Net.pm hasn't been updated for 2 years and still seems to specify SSL_version in the version 2.1.8 of Foswiki.

-- JohnElbourne - 25 May 2024

Will remove SSL_version parameter in 2.1.9

-- MichaelDaum - 04 Jun 2024

Great thank-you

-- JohnElbourne - 21 Jun 2024

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