Re: [courier-users] Authenticate Clients via TLS client cert

2017-07-02 Thread Sam Varshavchik

Bernd Wurst writes:


Hello,

I'm struggling with the question if it is possible to authenticate
clients (optionally) with a client certificate. I found some docs about
dovecot implementing this [1] and was wondering if courier (SMTP) could
also be used with this?

I could not find something about it in the docs.


The desired use would be that we operate a local CA and issue
certificates that contain a user name (e-mail-address) as common name
and courier authenticates this certificate as the given user, so that
logging and processing will continue have the sender's data.

[1]: "Client certificate verification/authentication", half way down at
https://wiki.dovecot.org/SSL/DovecotConfiguration


http://www.courier-mta.org/install.html#sslcert

Also described further in the esmtpd-ssl configuration file, under  
TLS_EXTERNAL.


For this to work, the certificate subject needs to specify whatever would be  
used for the login ID when authenticating manually.




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[courier-users] Authenticate Clients via TLS client cert

2017-07-02 Thread Bernd Wurst
Hello,

I'm struggling with the question if it is possible to authenticate
clients (optionally) with a client certificate. I found some docs about
dovecot implementing this [1] and was wondering if courier (SMTP) could
also be used with this?

I could not find something about it in the docs.


The desired use would be that we operate a local CA and issue
certificates that contain a user name (e-mail-address) as common name
and courier authenticates this certificate as the given user, so that
logging and processing will continue have the sender's data.

[1]: "Client certificate verification/authentication", half way down at
https://wiki.dovecot.org/SSL/DovecotConfiguration


regards,
Bernd




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[courier-users] New releases of Courier packages.

2017-07-02 Thread Sam Varshavchik

Download: http://www.courier-mta.org/download.html

New releases of courier, courier-unicode, courier-authlib, courier-imap,  
sqwebmail, maildrop, and cone packages.


Changes:

- The courier-unicode library updated to use C++11 unicode features.

- Some SMTP connection failures were not reported correctly.

- maildir quota calculation will ignore symbolic links to folders.

- Fix TLS peer hostname verification issue caused by CNAME records.

- Do not use ANY queries for DNSBL lookups.

- Fix compilation errors with OpenSSL 1.1.0.

- Include several Debian patches.



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