The Remote Certificate is invalid according to validation procedure

[dinesh.alla (Dinesh)]

When i am trying to send mail using SMTP it is throwing error as shown below.

Source: Send SMTP Mail Message.
Message: The Remote Certificate is invalid according to the validation procedure.
Exception Type: System.Security.Authentication.AuthenticationException.

I Tried below solutions to resolve.

Disabled Antivirus.
Allowed Less Secure App from my gmail Account.

I have already read below UI Path topics but i didn’t find link to download the trusted certificate.

The remote certificate is invalid according to the validation

Hi, I tried to meet all requirements including certificates but still i am getting the error “The remote certificate is invalid according to the validation …” on my office network. Further when I am connected from my home i can register Robot on demo.uipath.com. Any suggestion please.

Remote Certificate Is Invalid - UiPath

Hello could you please tell me what was your solution Thanks

[Chengwei_Tzeng]

After 2 days I found out that there is some issue with this package
UiPath.Mail.Activities

So I downgrade to 1.1.6382.14550, now I can get mail messages through IMAP without error out.
Any version newer then 1.1.6384.14550 will error out with this message.

[victorfrs (Victor Farias)]

@Chengwei_Tzeng, Thanks for the tip, it worked.

[pawan_dhail]

How to downgrade the package you suggested with the version number 1.1.6382.14550 of the package UiPath.Mail.Activities

[loginerror (Maciej Kuźmicz)]

Hi @pawan_dhail

Welcome to our UiPath Forum!

See here on how to manage the packages:

Managing Activities Packages