SMTP

  • 02 Oct

    How to send encrypted emails using a public key

    In version v2023.10.1.0 we added an option to send encrypted emails.

    Open the SMTP as Destination option. The “Sign / Encrypt” tab is only available when our second API vendor CK is selected. This option is also available in our Rule Events Email option.

    limagito file mover smtp as destination

    • Select “Sign / Encrypt” tab:
      • Enable Encrypt Email: this will encrypt the email using the certificate file.  When sending an encrypted email, it is the recipient’s certificate (Public Key part) that is used for encryption. Only the public key
        is needed to encrypt. The recipient is the only one possessing the private key, and therefore is the only one able to decrypt.
      • Certificate File: Load an RSA-based certificate. Encrypting an email only requires the public key (Decrypting an email requires the private key).
        Loads a certificate from a .cer, .crt, .p7b, or .pem file. This method accepts certificates from files in any of the following formats:
        1. DER encoded binary X.509 (.CER)
        2. Base-64 encoded X.509 (.CER)
        3. Cryptographic Message Syntax Standard – PKCS #7 Certificates (.P7B)
        4. PEM format
      • Key Length: When the email is sent encrypted (using PKCS7 public-key encryption), this selects the key length of the underlying symmetric encryption algorithm.
        The possible values allowed depend on the Pkcs7CryptAlg property. For “aes”, the key length may be 128, 192, or 256.
        For “3des” the key length must be 192. For “des” the key length must be 40. For “rc2” the key length can be 40, 56, 64, or 128.
      • Use Oaep Padding: Selects the RSA encryption scheme when encrypting email. The default value is disabled, which selects RSAES_PKCS1-V1_5. If set to enabled, then RSAES_OAEP is used.
      • Oaep Has Algorithm: Selects the hash algorithm for use within OAEP padding when encrypting email using RSAES-OAEP. The valid choices are sha1 , sha256 , sha384 , sha512.

     

    limagito file mover send encrypted emails

    If you need any information about this ‘send encrypted emails’ option, please let us know.

    #email #smtp #filetransfer #filemanagement

    Best regards,

    Limagito Team

    By Limagito-Team Email SMTP
  • 30 Sep

    How to send signed emails using PFX File

    In version v2023.9.30.0 we added an option to send signed emails.

    • Open the SMTP as Destination option. The “Sign / Encrypt” tab is only available when our second API vendor CK is selected.  This option is also available in the Rule Events Email option.

    limagito file mover smtp as destination

    • Select “Sign / Encrypt” tab:
      • Signature PFX File: The PFX file to be used as source for locating the certificate and private key required for signing.
      • Signature Password: The PFX file’s password
      • Find Cert By Subject (optional): Finds a certificate where one of the Subject properties (SubjectCN, SubjectE, SubjectO, SubjectOU, SubjectL, SubjectST, SubjectC) matches exactly (but case insensitive) with the passed string. A match in SubjectCN will be tried first, followed by SubjectE, and SubjectO. After that, the first match found in SubjectOU, SubjectL, SubjectST, or SubjectC, but in no guaranteed order, is returned. All matches are case insensitive.
      • Signature Algorithm (optional): Selects the signature algorithm to be used when sending signed (PKCS7) email. The default value is  PKCS1-v1_5  . This can be set to  RSASSA-PSS  (or simply  pss  ) to use the RSASSA-PSS signature scheme. Note: This property only applies when signing with an RSA private key. It does not apply for ECC or DSA private keys.
      • Sign Hash Algorithm (optional): Selects the underlying hash algorithm used when sending signed (PKCS7) email. Possible values are  sha1  ,  sha256  ,  sha384  ,  sha512  ,  md5  , and  md2  .
      • Use Opaque Signing:  When enabled, a signed email is generated as signed-data. When disabled, a signed email is generated as multipart/signed. A multipart/signed email is such that the signature is contained in a separate MIME body part and the original content of the email is not encapsulated within the signature. A signed-data email is such that it’s non-multipart MIME (content type is “application/pkcs7-signature”) and the original email is encapsulated within the signature.

    limagito file mover send signed email

    If you need any info about this ‘send signed emails’ option, please let us know.

    #email #smtp #filetransfer #filemanagement

    Best regards,

    Limagito Team

     

    By Limagito-Team Email SMTP ,
  • 25 Sep

    Sending Mails (SMTP) via an SSH tunnel

    In version v2023.9.25.0 we added an option that allows you sending emails using SMTP via an SSH tunnel.

    • Important is to use our second API vendor – CK

    limagito file mover smtp as destination

    • Select the SSH Tab for your setup:

    This option let us connect to an SSH server and creates a tunnel for SMTP. The ‘Host’ is the hostname (or IP address) of the SSH server. The ‘Port’ is typically 22, which is the standard SSH port number. At this moment only SSH authentication using username and password is possible.

    limagito file mover smtp over a ssh tunnel

    • In version v2023.9.30.0 we added “SSH Public-Key Authentication”:

    – Authenticates with the SSH server using public-key authentication. The corresponding public key must have been installed on the SSH server. Authentication will succeed if the matching “Username” is provided.

    limagito file mover smtp via an SSH tunnel

    If you need any info about this option, please let us know.

    #smtp #ssh #filetransfer #filemanagement

    Best regards,

    Limagito Team

    By Limagito-Team Email SMTP ,
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