sendmail: dh key too small
Issue
After updating openssl libraries, sendmail is not able to make connections to external server:
sendmail[123]: STARTTLS=client: 645:error:14082174:SSL routines:SSL3_CHECK_CERT_AND_ALGORITHM:dh key too small:s3_clnt.c:2429:
and the message is not delivered.
Environment
- Red Hat Enterprise Linux
- sendmail
- openssl
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