root@point:/etc/ssmtp# cat /etc/ssmtp/ssmtp.conf
# The user that gets all the mails (UID < 1000, usually the admin)
root=videoalarmserver@yandex.ru

# The mail server (where the mail is sent to), both port 465 or 587 should be acceptable
# See also https://support.google.com/mail/answer/78799
mailhub=smtp.yandex.ru:465

# The address where the mail appears to come from for user authentication.
rewriteDomain=yandex.ru

# The full hostname
hostname=localhost

# Use SSL/TLS before starting negotiation
UseTLS=Yes
UseSTARTTLS=Yes

# Username/Password
AuthUser=videoalarmserver
AuthPass=pass

# Email 'From header's can override the default domain?
FromLineOverride=yes

AuthMethod=LOGINroot@point:/etc/ssmtp# cat /etc/ssmtp/revaliases
# sSMTP aliases
#
# Format:	local_account:outgoing_address:mailhub
#
# Example: root:your_login@your.domain:mailhub.your.domain[:port]
# where [:port] is an optional port number that defaults to 25.
root:videoalarmserver@yandex.ru:smtp.yandex.ru:25root@point:/etc/ssmtp#
root@point:/etc/ssmtp#
root@point:/etc/ssmtp#
root@point:/etc/ssmtp# echo "test test test" | /usr/sbin/ssmtp -v -s yar1k01@ya.ru
[<-] 220 smtp2p.mail.yandex.net ESMTP (Want to use Yandex.Mail for your domain? Visit http://pdd.yandex.ru)
[->] EHLO localhost
[<-] 250 ENHANCEDSTATUSCODES
[->] STARTTLS
[<-] 220 Go ahead
[->] EHLO localhost
[<-] 250 ENHANCEDSTATUSCODES
[->] AUTH LOGIN
[<-] 334 VXNlcm5hbWU6
[->] dmlkZW9hbGFybXNlcnZlcg==
[<-] 334 UGFzc3dvcmQ6
[<-] 235 2.7.0 Authentication successful.
[->] MAIL FROM:<videoalarmserver@yandex.ru>
[<-] 250 2.1.0 <videoalarmserver@yandex.ru> ok
[->] RCPT TO:<yar1k01@ya.ru>
[<-] 250 2.1.5 <yar1k01@ya.ru> recipient ok
[->] DATA
[<-] 354 Enter mail, end with "." on a line by itself
[->] Received: by localhost (sSMTP sendmail emulation); Sun, 14 Aug 2016 21:20:49 +0300
[->] From: "root" <videoalarmserver@yandex.ru>
[->] Date: Sun, 14 Aug 2016 21:20:49 +0300
[->] test test test
[->]
[->] .
[<-] 554 5.7.1 Message rejected under suspicion of SPAM; https://ya.cc/0EgTP 1471198850-a2LGFzNwbm-KojWR5U4
ssmtp: 554 5.7.1 Message rejected under suspicion of SPAM; https://ya.cc/0EgTP 1471198850-a2LGFzNwbm-KojWR5U4
root@point:/etc/ssmtp#