In short: Use authenticated SMTP with the complete email address as the username. For Virgo Networks hosted mail, use shared.virgo-networks.net on port 587 with STARTTLS.
Confirm the outgoing settings
- SMTP server:
shared.virgo-networks.net - Port:
587 - Encryption: STARTTLS
- Authentication: required
- Username: the complete mailbox address
- Password: the mailbox password
Common causes
- The application is trying port 25, which many access networks block.
- SMTP authentication is disabled or the username contains only the part before
@. - A device still has an old password.
- The From address is not valid for the authenticated mailbox.
- The message is too large or the mailbox/account has reached a limit.
- Security software or the local network is intercepting the connection.
If sending works in webmail
The mailbox and server are accepting mail, so concentrate on the application's SMTP settings, saved credentials and local network. If webmail also fails, record the exact message before retrying.
Delivery versus submission
A successful send only confirms that the server accepted the message. If the recipient does not receive it, check their spam folder and obtain any later bounce. SPF, DKIM and DMARC also affect how receiving systems assess the message.
Further guidance
Use our full email server settings and the official InterWorx mail-client guide.
If the server accepted the message but delivery failed
A successful SMTP submission does not guarantee recipient delivery. Keep any later non-delivery report and follow Understanding email bounce messages and delivery failures to identify temporary failures, recipient rejection, authentication and reputation problems.
