- Update the Exim Maintainers Keyring file 'exim.keyring'.
- Use URL for the source line of the main tar ball.

- Update to 4.86
* Support for using the system standard CA bundle.
* New expansion items $config_file, $config_dir, containing the file
and directory name of the main configuration file. Also $exim_version.
* New "malware=" support for Avast.
* New "spam=" variant option for Rspamd.
* Assorted options on malware= and spam= scanners.
* A commandline option to write a comment into the logfile.
* If built with EXPERIMENTAL_SOCKS feature enabled, the smtp transport can
be configured to make connections via socks5 proxies.
* If built with EXPERIMENTAL_INTERNATIONAL, support is included for
the transmission of UTF-8 envelope addresses.
* If built with EXPERIMENTAL_INTERNATIONAL, an expansion item for a commonly
used encoding of Maildir folder names.
* A logging option for slow DNS lookups.
* New ${env {}} expansion.
* A non-SMTP authenticator using information from TLS client certificates.
* Main option "tls_eccurve" for selecting an Elliptic Curve for TLS.
Patch originally by Wolfgang Breyha.
* Main option "dns_trust_aa" for trusting your local nameserver at the
same level as DNSSEC.
- Dropped exim-enable_ecdh_openssl.patch as included in upstream