Send SMTP Mail Message: 5.7.0 Must issue a STARTTLS command first

[lyjun550 (LAO)]

Hi,
I’m having issue with smtp. Well, is there anything wrong in the properties of the smtp?
These are the properties of the STMP and the error of it.

[HareeshMR (Hareesh Madasi)]

Can you try changing the port number as per the below topic @lyjun550

Facing problem while sending SMTP Mail

Default Ports Server: Authentication: Port: SMTP Server (Outgoing Messages) Non-Encrypted AUTH 25 (or 587) Secure (TLS) StartTLS 587 Secure (SSL) SSL 465 POP3 Server (Incoming Messages) Non-Encrypted AUTH 110   Secure (SSL) SSL 995   Gmail Server: Authentication: Port: SMTP Server (Outgoing Messages) smtp.gmail.com SSL 465   smtp.gmail.com StartTLS 587 POP3 Server (Incoming Messages) pop.gmail.com SSL 995   Please make sure, that POP3 access is enabled in the acc…

[lyjun550 (LAO)]

Hi,
Thank you for the info. But I try to switch the SecureConnection to auto, it works for me now.

Other than that, can I know if i wanna use the company e-mail as the sender, should I change the Port Number or Server.
For example, smtp.company.com
I just have to change the middle one?
But, it dont work for me, can you please help me explain this?

Thanks,
Lean

[HareeshMR (Hareesh Madasi)]

That need not be the exact company name, it should be a different format, you can check that with your IT people or with your manager so that you can get to know the actual server smtp of your organization

[lyjun550 (LAO)]

Thanks