https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81890#M33411 I am currently using gmail for this not Outlook, and I am able to send/receive manually in Gmail.  How to check the cert whether it has expired or not? what can be done to send the mail successfully? Tue, 08 Jan 2019 23:19:00 GMT ShinjiniBanerje 2019-01-08T23:19:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81887#M33408 I am not able to send message through mail by importing mail VBO . Getting the error  as "Internal : Could not execute code stage because exception thrown by code stage: The remote certificate is invalid according to the validation procedure."   Can  somebody help me please!! Tue, 08 Jan 2019 08:26:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81887#M33408 ShinjiniBanerje 2019-01-08T08:26:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81888#M33409 From suggestions post I tried, disabling anti virus and firewall and then sending messages, that too didn't help!!! Tue, 08 Jan 2019 09:09:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81888#M33409 ShinjiniBanerje 2019-01-08T09:09:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81889#M33410 It sounds more like the certificate last downloaded by Outlook has become invalid. Generally, if you launch Outlook and it thinks it needs an updated cert, it will bring up a confirmation window. It may also be a problem with the configuration of the actual exchange server. Are you able to send/receive manually? Tue, 08 Jan 2019 22:53:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81889#M33410 AmiBarrett 2019-01-08T22:53:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81890#M33411 I am currently using gmail for this not Outlook, and I am able to send/receive manually in Gmail.  How to check the cert whether it has expired or not? what can be done to send the mail successfully? Tue, 08 Jan 2019 23:19:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81890#M33411 ShinjiniBanerje 2019-01-08T23:19:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81891#M33412 You can either try to modify the code stages to disable encryption (Note: This is not recommended for production), or you can try to re-install the cert via IE, then ensure it's set up properly via MMC.   Check here for more info: https://blogs.msdn.microsoft.com/jpsanders/2009/09/16/troubleshooting-a… Tue, 08 Jan 2019 23:33:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81891#M33412 AmiBarrett 2019-01-08T23:33:00Z https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81892#M33413 ok, I ll check Sat, 12 Jan 2019 12:27:00 GMT https://community.blueprism.com/t5/Product-Forum/not-able-to-send-mail-using-VBO-SMTP-POP3/m-p/81892#M33413 ShinjiniBanerje 2019-01-12T12:27:00Z