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- POP3 and SMTP protocols
- Authenticated SMTP
- Timeout
- Managing emails in asynchronous mode
- Gmail: What should I do if a connection to Gmail (SMTP, IMAP, POP3) fails due to a certificate error?
<emailSMTPSession variable>.StartSession (Función) Starts a session for managing emails via the SMTP protocol. Note To open an e-mail session (via SMTP protocol only), use the EmailStartSMTPSession function. This function can also be used to start an authenticated SMTP session.
MyEmailSMTPSession is emailSMTPSession
IF MyEmailSMTPSession.StartSession() = True THEN
UserName = MySMTPSession..Name
ELSE
UserName = ""
Error("Unable to establish the connection")
END
Sintaxis
<Result> = <Session>.OpenSession()
<Result>: booleano - True if the session was started,
- False otherwise. If an error occurs, the ErrorOccurred variable is set to True.
To get more details on the error, use ErrorInfo with the errMessage constant.
<Session>: Variable de tipo emailSMTPSession Name of the emailSMTPSession variable corresponding to the email session to handle. Observaciones POP3 and SMTP protocols The different parameters passed to <emailSMTPSession variable>.StartSession are supplied by the Internet Service Provider or by the network administrator. An Internet connection is required to manage the emails. Several cases may occur: - The user uses a direct connection to Internet (cable or ADSL): no specific operation required.
- The user uses a modem to connect to the Internet: the NetOpenRemoteAccess function opens the Internet connection.
By default, if only the IP address of POP3 server is specified, this address will be used by the email server that uses SMTP. The IP address of SMTP protocol must be specified only if the POP3 account and the SMTP account do not use the same computer. Authenticated SMTP The SMTP authentication cannot be performed by <emailSMTPSession variable>.StartSession. To start a POP3 session and an authenticated SMTP session at the same time, you must use both EmailStartPOP3Session and EmailStartSMTPSession. Gmail: What should I do if a connection to Gmail (SMTP, IMAP, POP3) fails due to a certificate error? Since the end of August 2017, Google has deployed a new certificate: Google Internet Authority G3. Unfortunately, the Windows API for checking certificates does not validate this certificate. Therefore, starting a POP3, IMAP or SMTP session may fail with the error "The certificate string was not issued by a trusted authority". To validate the certificate, all you have to do is modify the management mode of emails. The WLanguage EmailConfigure function allows you to change this mode and to no longer use the Windows API that locks this certificate. The following code must be added before starting the session via <emailSMTPSession variable>.StartSession:
EmailConfigure(emailParameterMode, 1)
Remarks: - As of version 23 Update 1, you no longer need to call the EmailConfigure function: WLanguage automatically uses the email management mode appropriate to the session.
- You can handle certificate errors on an SMTP session using the IgnoreError property of a variable of type emailSMTPSession.
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