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TLS error since upgrade to 3.8.0.2

Hi,

Ever since the email appliance was (auto) upgraded to 3.8.0.2 I've been getting an error in the logs:

(delivery temporarily suspended: TLS is required, but was not offered by host xxxxxx[xx.xxx.xx.xx])

and then

BC71B27F2BA_48EB650B: Cannot start TLS: handshake failure
2014-12-15 10:27:03 <our mail server> postfix/backend/smtp[49649]: BC71B27F2BA_48EB650B: Cannot start TLS: handshake failure
2014-12-15 10:27:04 <our mail server> postfix/backend/smtp[49649]: BC71B27F2BA_48EB650B: TLS is required, but was not offered by host <their mail server>[62.xxx.xxx.xx]
2014-12-15 10:27:04 <our mail server> postfix/backend/smtp[49649]: BC71B27F2BA_48EB650B: to=<xxxxxx.xxxxx@xxxxxx.xx.xx>, relay=<their mail server>[195.xx.xx.xx]:25, delay=295, delays=213/0/83/0, dsn=4.7.4, status=deferred (TLS is required, but was not offered by host <their mail server>[195.xxx.xx.xxx])
2014-12-15 10:26:23 <our mail server> postfix/backend/smtp[49649]: setting up TLS connection to mailhost.xxxxxx.xx.xx[176.xx.xx.x]:25
2014-12-15 10:26:23 <our mail server> postfix/backend/smtp[49649]: SSL_connect error to mailhost.xxxxxx.xx.xx[176.xx.xx.x]:25: -1
2014-12-15 10:26:23 <our mail server> postfix/backend/smtp[49649]: warning: TLS library problem: 49649:error:1407741A:SSL routines:SSL23_GET_SERVER_HELLO:xxxxx1 alert decode error:/build/src/secure/lib/libssl/../../../crypto/openssl/ssl/s23_clnt.c:770:
2014-12-15 10:27:03 <our mail server> postfix/backend/smtp[49649]: setting up TLS connection to mailhost2.xxxxxx.xx.xx[176.62.130.10]:25
2014-12-15 10:27:03 <our mail server> postfix/backend/smtp[49649]: SSL_connect error to mailhost2.xxxxxx.xx.xx[176.62.130.10]:25: -1
2014-12-15 10:27:03 <our mail server> postfix/backend/smtp[49649]: warning: TLS library problem: 49649:error:1407741A:SSL routines:SSL23_GET_SERVER_HELLO:xxxxx1 alert decode error:/build/src/secure/lib/libssl/../../../crypto/openssl/ssl/s23_clnt.c:770:

:55130


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