raspberry pi - node-red, e-mail Connection timeout -

i have problem send mails node-red. therefor used simple flow timestamp->template->e-mailnode.

if trigger timestamp error message:

[error] [e-mail:xxx@gmail.com] error: connection timeout

i have no idea how can search problem on system?

here list npm packages:

    pi@raspberrypi ~ $ npm ls /home/pi ├─┬ activator@1.0.0 │ ├── async@0.2.10 │ └── lodash@3.6.0 ├─┬ imap@0.8.14 │ ├─┬ readable-stream@1.1.13 │ │ ├── core-util-is@1.0.1 │ │ ├── inherits@2.0.1 │ │ ├── isarray@0.0.1 │ │ └── string_decoder@0.10.31 │ └── utf7@1.0.0 ├─┬ nodemailer@1.3.2 │ ├─┬ buildmail@1.2.1 │ │ ├── addressparser@0.3.2 │ │ ├── libbase64@0.1.0 │ │ └── libqp@0.1.1 │ ├─┬ hyperquest@1.0.1 │ │ ├─┬ duplexer2@0.0.2 │ │ │ └─┬ readable-stream@1.1.13 │ │ │   ├── core-util-is@1.0.1 │ │ │   ├── inherits@2.0.1 │ │ │   ├── isarray@0.0.1 │ │ │   └── string_decoder@0.10.31 │ │ └─┬ through2@0.6.3 │ │   ├─┬ readable-stream@1.0.33 │ │   │ ├── core-util-is@1.0.1 │ │   │ ├── inherits@2.0.1 │ │   │ ├── isarray@0.0.1 │ │   │ └── string_decoder@0.10.31 │ │   └── xtend@4.0.0 │ ├─┬ libmime@0.1.7 │ │ ├── iconv-lite@0.4.7 │ │ ├── libbase64@0.1.0 │ │ └── libqp@0.1.1 │ ├─┬ nodemailer-direct-transport@1.0.2 │ │ └── smtp-connection@1.2.0 │ └─┬ nodemailer-smtp-transport@1.0.2 │   ├── nodemailer-wellknown@0.1.5 │   └── smtp-connection@1.2.0 └─┬ nodemailer-ses-transport@1.2.0   └─┬ aws-sdk@2.1.20     ├─┬ xml2js@0.2.6     │ └── sax@0.4.2     └── xmlbuilder@0.4.2 

thanks help

if error message implies connection has timed out, means server email node configured talk incorrect or not running smtp server