TLS Problems

We've found that Debian 7's version of OpenSSL has problems interoperating with some other SSL implementations. Here are some things you can try:

1. Add this to the end of /etc/mail/sendmail.mc:

   LOCAL_CONFIG

   dnl # Do not allow SSLv2 and weak ciphers

   O CipherList=HIGH:MEDIUM:!ADH:!MD5:!SSLv2

   O ClientSSLOptions=+SSL_OP_NO_TLSv1

   After you add the above lines, type:

   make -C /etc/mail && /etc/init.d/sendmail reload

2. If that doesn't help, you have to disable TLS with the machine gwmail.bradescoseguros.com.br. Put this lines in /etc/mail/access:

   Try_TLS:gwmail.bradescoseguros.com.br NO

   And again:

   make -C /etc/mail

3. If that still does not work, you may have to disable STARTTLS for now by removing

   include(`/etc/mail/tls/starttls.m4')dnl from sendmail.mc

   And running:

   make -C /etc/mail && /etc/init.d/sendmail reload

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