//myserver/myfolder /mnt/backup cifs credentials=home/myfolder/.Smbcredentials

username=myaccount
password=mypassword
domain=mydomain

$ sudo ls -l /etc/smb_credentials.txt
-rw-------. 1 root root 54 Mar 24 13:19 /etc/smb_credentials.txt

$ sudo mount -v -t cifs //server/share /mnt
    -o credentials=/etc/smb_credentials.txt

mount.cifs kernel mount options: ip=192.168.1.14,unc=\servershare,credentials=/etc/smb_credentials.txt,ver=1,user=someuser,domain=somedom,pass=********

sec=
       Security mode. Allowed values are:
       ·   none - attempt to connection as a null user (no name)
       ·   krb5 - Use Kerberos version 5 authentication
       ·   krb5i - Use Kerberos authentication and forcibly enable packet
           signing
       ·   ntlm - Use NTLM password hashing
       ·   ntlmi - Use NTLM password hashing and force packet signing
       ·   ntlmv2 - Use NTLMv2 password hashing
       ·   ntlmv2i - Use NTLMv2 password hashing and force packet signing
       ·   ntlmssp - Use NTLMv2 password hashing encapsulated in Raw NTLMSSP
           message
       ·   ntlmsspi - Use NTLMv2 password hashing encapsulated in Raw
           NTLMSSP message, and force packet signing

       The default in mainline kernel versions prior to v3.8 was sec=ntlm.
       In v3.8, the default was changed to sec=ntlmssp.

$ sudo mount -t cifs //172.16.1.5/myshare/ /mnt/myshare
    -osec=ntlmv2,domain=MYDOMAIN,username=myusername,password=mypassword