Send SMTP Mail Message : The SMTP server has unexpectedly disconnected

Error while connecting the SMTP mail server.

“Send SMTP Mail Message : The SMTP server has unexpectedly disconnected”.

Anyone please help on this issue.

Thanks.

Hi,
Please follow up:
SMTP troubleshoot

Hi,

Please follow below ,

Thanks,

2 Likes

I want to send 20k emails.after 500 it give me error “Send SMTP Mail Message: The SMTP server has unexpectedly disconnected.”

Try changing the port number it will work just fine.

How did resolved the error. The SMTP server has unexpectedly disconnected

I am also facing the same issue

Which email you are using . If using Gmail than you have to buy the Gmail suite to send more than 500 email. You can send email with the custom server.