DevOps & SysAdmins: Postfix SSL certificate verification failed issue (2 Solutions!!)

DevOps & SysAdmins: Postfix SSL certificate verification failed issue (2 Solutions!!)

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SSL Certificate not valid on SNI server - Dovecot/Postfix
SSL Certificate not valid on SNI server - Dovecot/Postfix
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SSL Certificate not valid on SNI server - Dovecot/Postfix

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