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How to install sendmail client only, without the MTA?

Option 1: Install (simple) "sendmail look alike" As I understand you can use ssmtp (or msmtp) program/package to get "sendmail look alike" capable to pass messages to SMTP server (...
AnFi's user avatar
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unable to send emails to gmail using sendmail 550-5.7.26 error

You are sending an email from the address [email protected]. The domain 1cr0.l.hostens.cloud doesn't match your website.com.
AlexD's user avatar
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Changing sendmail HELO/ELHO header in docker container

I solved this problem by adding the domain as the hostname in my docker file like this: services: typo3: image: software.example.com:5050/scoped/vendor/myapp:production hostname: my-domain....
digijay's user avatar
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