I've been following this Google Apps support page to be able to set up scan-to-email using the Gmail SMTP server. The printer is a Samsung CLX-6260 FW.

I've configured it with the following information:

SMTP Server: smtp.gmail.com
Port Number: 465
SMTP Requires Authentication: Yes
- Login ID: <my Google Apps email>
- Password: <my Google Apps email password>
Secure E-Mail Connection with SSL/TLS: Enabled
SMTP Server Connection Timeout: 30

But whenever I test the connection, it fails with a server timeout. I've tried increasing the connection timeout limit, but that doesn't seem to work. Has anyone managed to set this up successfully? How did you do it?

UPDATE: I tried out port 587 and that started working. Haven't gotten around to testing with a VPS, but the output of openssl s_client -connect smtp.gmail.com:465 shows that the connection does work from our network, so if anyone out there knows what the answer might be, I'd love to hear it!

  • You may want to check if your ISP is blocking port 25. – rtf Jul 17 '14 at 15:14
  • Do you have a linux VPS you can use for testing? I'd try listening with netcat, something like nc -vv -l 465, then configure the printer to connect to your VPS instead of Google's mail server. This could help to confirm if there's a routing problem. – jon Jul 17 '14 at 16:25
  • I had a similar question. It seems that Gmail only allows OAuth 2.0 authentication, but you can enable other methods in account settings. superuser.com/questions/987842/… – ziggurism Oct 17 '15 at 2:43
  • Did you enable "unsecure" or "insecure" apps through the gmail web interface? – Thufir Jul 26 '16 at 11:13

If possible, try changing the Scanners network configuration to use Google's DNS servers.

  • Set the preferred DNS as
  • Set the alternate DNS as
| improve this answer | |
  • I tried this, but it didn't work :( – 3cheesewheel Jul 17 '14 at 15:53

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