Make sure the printer is connected to a domain, Check the smtp server authentication setting, Smtp s – Dell B3460dn Mono Laser Printer User Manual

Page 13

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“No encryption certificates could be found for any of the addresses you entered.
Press Next to send the e

mail without encryption” or “The email cannot be sent

because encryption certificates could not be found for any recipients” error
message

These errors indicate that none of the recipients the user tried to send an encrypted e

‑mail to have encryption

certificates. For users to send encrypted e

‑mail to a recipient, the recipient must be in the global address book and

must have a valid encryption certificate. Users cannot send encrypted e

‑mail to recipients who do not have encryption

certificates.

If you configured the application to allow users to choose whether to encrypt their e

‑mail, then the first error message

is shown to users when encryption certificates could not be found for any recipients. Users can either send unencrypted
e

‑mail to all recipients or return to the home screen to cancel the sending of the e‑mail.

If you configured the application to require e

‑mail to be encrypted, then the second error message is shown to users

when encryption certificates could not be found for any recipients. If this occurs, then users cannot send e

‑mail. If you

want all e

‑mail sent from the printer to be encrypted, then make sure each recipient has an encryption certificate in

the global address book.

“Unable to connect to the e-mail server” error message

This error usually occurs when there is a problem with the SMTP or e

‑mail settings on the printer. See

“Configuring

printer e

‑mail settings” on page 4

, or try one or more of the following:

M

AKE

SURE

THE

PRINTER

IS

CONNECTED

TO

A

DOMAIN

1

From the Embedded Web Server, click Settings or Configuration.

2

Click Network/Ports > TCP/IP.

3

Under the TCP/IP heading, make sure the information typed in the Domain Name field is correct.

4

Click Submit.

Note: For more information about TCP/IP settings, see

“Configuring TCP/IP settings” on page 4

.

C

HECK

THE

SMTP S

ERVER

A

UTHENTICATION

SETTING

1

From the Embedded Web Server, click Settings or Configuration.

2

Click E-mail/FTP Settings > SMTP Setup.

3

Under the Authentication heading, from the SMTP Server Authentication menu, do one of the following:

Select Kerberos 5 if the SMTP server requires user credentials.

Select No authentication required if Kerberos is not supported.

Note: If the SMTP server requires user authentication for sending e-mail but does not support Kerberos, then
the IP address or host name of the printer must be added to the SMTP server as a relay.

4

Click Submit.

Troubleshooting

13

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