I have a private linux vps and want to monitor it by sending email when memory or process usage is high. Is there any free service to send email ? (solution like Sendinblue are requiring profesionnel account) Other method to monitor vps are welcome too. Answer I’ve used HetrixTools and was satisfied with it. They have instructions for you to
Tag: smtp
Using Sendmail from an external server
I have a server with a webapp and a mail server (who use sendmail to route mails). We need to migrate the webapp to an auto-scaling schema, so, I can’t have the mail server in there, so, I’m thinking on leaving the mail server right where it is now. So, to send mails I have different alternatives, I don’t want
DKIM key not valid – Bad RSA signature
I have setup DKIM on a Ubuntu 14.04 machine using opendkim and postfix. I generated the RSA keypair and updated the TXT record. When testing the settings at any DKIM tester like www.mail-tester.com or www.dkimvalidator.com, I get errors like “result = fail, bad RSA signature”. Here is an example mail (info from dkimvalidator.com). I substituted the real domain with mail.example.com.
Ubuntu dockerfile – mailutils install
I am installing mailutils via a dockerfile on an ubuntu image. I do this via: RUN apt-get install -y mailutils However, on this line I get the following: When I do exactly the same thing with a Debian image I do not get this option. I use the -y prefix to handle all the yes/no installation questions when using a