Unable to save SMTP Setttings (Protocol required)

mdawid

Hi,

i'm trying to setup an E-Mail address for sending via SMTP. I was able to setup incomming E-Mails via IMAP. But when i try to setup outgoing E-Mails via SMTP i get the following Error:

I am using an IONOS inbox for incomming E-Mails. But for outgoing E-Mails i had setup a sendgrid SMTP-Relay. I already had two other E-Mails successfully setup with the Sendgrid, which is why i am wonding why i get this error.
When setting up SMTP via Sendgrid you get specific credentials where the username is apikey and the password is a very long API-Key. I already have checked all the other settigns like server, but they are all correct. I'm using the following settings for the Sendgrid-Relay:

Server: smtp.sendgrid.net
Port: 485
Authentication: "Basic Authentication"
Header Manipulation: false

I have setup osTicket as a self-hosted instance on my proxmox Server via Docker. The osTicket-Version i am running is 1.17-git. The docker image is from here.

Any idea, what could be wrong?

Thanks!

Daedalus01

mdawid Port 485? That is not a common SMTP port. Port 465 or 587 are the more commonly used SMTP outgoing ports. I would check to make sure that is correct. If it is correct, then it could be a firewall issue as again that is not a commonly used SMTP port.