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How can setup SMTP Delivery use gmail?

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My config setup -->System Administration-->Notification Deilvery

  • SMTP Delivery Mechanism :Use SMTP relay server (recommended inside LANs/NATs)
  • SMTP Relay Server :smtp.gmail.com
  • SMTP Relay SMTP Port:587
  • SMTP Relay Authentication:Use standard SMTP authentication
  • SSL Method:SSL V2 or V3
  • Security:Encrypt data using Transport-Level Security (TLS)

i can use other stmp software sent gmail finish, but PRTG v13 log show error:

"Error sending "Email": Connection failed ("smtp.gmail.com")"

please help me~

gmail notification-deilvery smtp

Created on Jun 10, 2013 3:08:33 AM by  nick0819 (0) 1

Last change on Nov 8, 2017 7:52:39 AM by  Luciano Lingnau [Paessler Support]



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I have just tested the PRTG Mail Delivery using Google Apps (aka G-Suite) (should be the same for plain gmail accounts). This is what the set-up should look like:

SMTP Delivery Mechanism:Use SMTP relay server
Sender Emal:[email protected]
Sender Name:PRTG
HELO ident:prtgserver.domain.tld(optional)
SMTP Relay Server:smtp.gmail.com
SMTP Relay SMTP Port:587
SMTP Relay Authentication:Use standard SMTP authentication
SMTP Relay User:[email protected]
Use Encrypted Connection:If supported by server
SSL Method:'TLS v1.2'

It's also very important to note that you need to change a setting for the Gmail/Google Apps account that you want to use for mail sending over SMTP. The setting is called Allow less secure apps and is described in this page. Here's the link to change the settings for your Google Mail account:

Even with everything set-up correctly in PRTG you will receive the following error if you don't allow the "less secure apps":

Error sending "Email": Authentication unsuccessful ("smtp.gmail.com")



Messages where sent successfully in PRTG Version 17.4.33.3251 with the set-up above.



Best Regards,
Luciano Lingnau [Paessler Support]

Created on Nov 8, 2017 7:51:05 AM by  Luciano Lingnau [Paessler Support]

Last change on Nov 8, 2017 11:07:01 AM by  Luciano Lingnau [Paessler Support]



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Hello, please double check your settings with Can GMail / Google Apps be used for SMTP relay?. If the issue persists, please forward us an email to [email protected], with reference to this thread. Please let us know what precise version of PRTG you are running.

Created on Jun 10, 2013 11:30:04 AM by  Patrick Hutter [Paessler Support] (7,215) 3 3



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Hi , PRTG Network Monitor Ver = 13.1.2.1462, and i have double check settings Can GMail / Google Apps be used for SMTP relay?

Created on Jun 11, 2013 2:49:06 AM by  nick0819 (0) 1



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Please update to version 13.2.3.2235/2236. This verson provides a fix for a specific SMTP bug that was also affecting Google Mail accounts.

Created on Jun 11, 2013 9:11:16 AM by  Patrick Hutter [Paessler Support] (7,215) 3 3



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Hi,

I am using PRTG 16.2.23.3269+, in which I am facing - Error sending "Email": Authentication unsuccessful ("smtp.gmail.com"), even though I configured with correct User ID and PWD for my Google Domain. The same login ID and pwd is working fine for SMTP in my Outlook. But in PRTG this error is throwing.

Created on Jul 13, 2016 2:32:18 PM by  ajaykm (0)



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Have you tried fiddling with the security settings already?

Created on Jul 14, 2016 12:02:16 PM by  Stephan Linke [Paessler Support]



Accepted Answer

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Your Vote:

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I have just tested the PRTG Mail Delivery using Google Apps (aka G-Suite) (should be the same for plain gmail accounts). This is what the set-up should look like:

SMTP Delivery Mechanism:Use SMTP relay server
Sender Emal:[email protected]
Sender Name:PRTG
HELO ident:prtgserver.domain.tld(optional)
SMTP Relay Server:smtp.gmail.com
SMTP Relay SMTP Port:587
SMTP Relay Authentication:Use standard SMTP authentication
SMTP Relay User:[email protected]
Use Encrypted Connection:If supported by server
SSL Method:'TLS v1.2'

It's also very important to note that you need to change a setting for the Gmail/Google Apps account that you want to use for mail sending over SMTP. The setting is called Allow less secure apps and is described in this page. Here's the link to change the settings for your Google Mail account:

Even with everything set-up correctly in PRTG you will receive the following error if you don't allow the "less secure apps":

Error sending "Email": Authentication unsuccessful ("smtp.gmail.com")



Messages where sent successfully in PRTG Version 17.4.33.3251 with the set-up above.



Best Regards,
Luciano Lingnau [Paessler Support]

Created on Nov 8, 2017 7:51:05 AM by  Luciano Lingnau [Paessler Support]

Last change on Nov 8, 2017 11:07:01 AM by  Luciano Lingnau [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.