i have followed this topic:
but heving issue with command:
/opt/zimbra/bin/zmcertmgr deploycrt comm cert.pem LE.CA.pem
The output error is:
[zimbra@mail letsencrypt]$ /opt/zimbra/bin/zmcertmgr deploycrt comm cert.pem LE.CA.pem
** Verifying 'cert.pem' against '/opt/zimbra/ssl/zimbra/commercial/commercial.key'
Certificate 'cert.pem' and private key '/opt/zimbra/ssl/zimbra/commercial/commercial.key' match.
** Verifying 'cert.pem' against 'LE.CA.pem'
ERROR: Unable to validate certificate chain: Error loading file LE.CA.pem
140127807342248:error:0D07207B:asn1 encoding routines:ASN1_get_object:header too long:asn1_lib.c:157:
140127807342248:error:0D068066:asn1 encoding routines:ASN1_CHECK_TLEN:bad object header:tasn_dec.c:1188:
140127807342248:error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error:tasn_dec.c:374:Type=X509
140127807342248:error:0907400D:PEM routines:PEM_X509_INFO_read_bio:ASN1 lib:pem_info.c:249:
140127807342248:error:0B084009:x509 certificate routines:X509_load_cert_crl_file:PEM lib:by_file.c:259:
[zimbra@mail letsencrypt]$