sSMTP is a very simple and straightforward alternative to big MTAs like sendmail or Exim. Unfortunately CentOS repositories don’t come with it, so you have to fetch it from Fedora’s EPEL repo.
After activating the ‘Extra Packages for Enterprise Linux’ repository, you can install sSMTP:
yum install ssmtp |
Configuration is rather simple. Just change the following values in your /etc/ssmtp/ssmtp.conf
# The person who gets all mail for userids < 500# Make this empty to disable rewriting.root=youraccount@googlemail.com# The place where the mail goes. The actual machine name is required# no MX records are consulted. Commonly mailhosts are named mail.domain.com# The example will fit if you are in domain.com and your mailhub is so named.mailhub=smtp.googlemail.com:465[...]# Set this to never rewrite the "From:" line (unless not given) and to# use that address in the "from line" of the envelope.FromLineOverride=YES# Use SSL/TLS to send secure messages to server.UseTLS=YES[...]AuthUser=YOURACCOUNTAuthPass=PASSWORD |
You can test by sending a mail to user@domain.tld
# echo test | mail -s "testing ssmtp" user@domain.tld |
Resources and further reading:
http://www.boristheengineer.co.uk/slug/configuring_ssmtp.htm
http://www.destr0yr.com/article.php/Gmail_and_sSMTP
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Hi
I am able to send mail using ssmtp by using the cmdline, but only, if I specify the -au and -ap flags with corresponding values.
The exact same values, as I’ve already specified in the /etc/ssmtp/ssmtp.conf .
– 1.) This would work:
ssmtp -au admin@xxyyzz.net -ap “abc 123ZZZ98” -v -t < /root/bin/msg01.txt
– 2.) This would NOT work :
ssmtp -v -t < /root/bin/msg01.txt
– It dies with authentication error:
[<-] 334 UGFzc3dvcmQ6
[<-] 535 5.7.8 Error: authentication failed: authentication failure
ssmtp: Authorization failed (535 5.7.8 Error: authentication failed: authentication failure)
In my ssmtp.conf I got:
AuthLogin=Yes
AuthUser=admin@xxyyzz.net
AuthPass="abc 123ZZZ98" (<<== notice the embedded space in the password)
As ssmtp needs to be called from php on the website (contact form), the no. 2.) version would be needed.
I got sSMTP v2.64 on Ubuntu 15.04 64 Bit ( Linux xyz 3.19.0-33-generic #38-Ubuntu SMP… )
I just wonder what I'm missing here … since hours. Can't get it working. Would be very glad for some help.
Thanks a lot.
Dt