Android Question android.system.ErrnoException: connect failed: ENETUNREACH (Network is unreachable)

[Zeev Goldstein]

hi

i'm trying to send email from my app using gmail
on one phone it works
on the other one i get this error

both are android 9.1

this email account is set for low security so i can use it without 2 factors or gmail auth api

as said - one phone works perfectly on other i get this error

BTW - i get all permissions etc...

anyone can open my eyes ?

thanks

 

[Erel]

Are you sure that the problematic device is connected to the internet?

Try to add this to the manifest editor:

CreateResourceFromFile(Macro, Core.NetworkClearText)

 

[DonManfred]

Wouldn´t the error look other if one tries to access a api using http (not https)?

 

[Zeev Goldstein]

Are you sure that the problematic device is connected to the internet?

Try to add this to the manifest editor:

CreateResourceFromFile(Macro, Core.NetworkClearText)

thanks for your reply
yes - device is connected to the internet ans has full signal

the line you suggested made no change and i keep getting the same error

 

[Erel]

The wifi strength is not really relevant. Open the device browser and navigate to gmail.com.

Also post the relevant code and the full error message.

 

[Zeev Goldstein]

i did try browsing to a few urls - all worked
there is no other error - the error i get is the one in the post title

i just try to send a simple email through gmail smtp - as said on one device works like charm on another one not and i get this error

 

[Zeev Goldstein]

BTW - tried on wifi and on cellular - same thing

 

[Zeev Goldstein]

and this is the code i use

Sub SendEmail()
    Dim mail As SMTP
    
    Dim SMTP_SSL_Port As Int = 465    'for SSL
    Dim SMTP_TLS_Port As Int = 587    'for TLS

    Try       
    
        mail.Initialize("smtp.google.com", 465, "MyUserName@gmail.com", "MyPassword", "SMTP")
        mail.UseSSL=True
        
        Dim M As Map
        M.Initialize
        M.Put("From","MySelf <MyUserName@gmail.com>")
        mail.AdditionalHeaders = M
        
        
        mail.To.Add("SMTP_SendTO")

        mail.Subject = "SMTP_Subject"
        mail.Body = "SMTP_Body"
        
        mail.AddAttachment(fPath, fName)
        
        mail.Send
        
        Wait For smtp_MessageSent(Success As Boolean)
        Log(Success)
        
        If Success = True Then
            ToastMessageShow("Message sent successfully", True)
        Else
            ToastMessageShow("Error sending message", True)
            Log(LastException.Message)
        End If

    Catch
        Log(LastException.Message)
        
    End Try
    
End Sub

 

[Erel]

It is a network problem. This is all that I can say.

 

[Zeev Goldstein]

Thanks
That's odd
Both phones are side by side
Both have full internet access
One works one doesn't
I've checked on wifi and on cellular
What else can i check or do?

 

[Erel]

1. Restart the device.
2. Test it in airplane mode with wifi enabled.

 

[Zeev Goldstein]

Found the problem & easily resolved.
There was nothing wrong in the app or phone or network.
I have adguard and it was blocking network access.
Marked the app as safe and voila it works like charm.
Silly me..
Thank you all who tried to help