muerwre.github.io/docs/docker/common-things-with-docker-mailserver/_payload.js

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Letsencrypt and wildcard domains","12-docker-was-using-internal-hostname-of-docker-mailserver","1.2. Docker was using internal hostname of docker-mailserver","mail","2-docker-mailserver-not-listening-on-25-port-smtp","2. docker-mailserver not listening on 25 port (SMTP)","  ports:\n    - \"25:25\"\n","3-connect-to-docker-mailserver-from-other-docker-compose","3. Connect to docker-mailserver from other docker-compose","\u002F\u002F application\u002Fcompose.yaml\napp:\n  networks:\n    - shared\nnetworks:\n  shared:\n    driver: bridge\n","\u002F\u002F\u002F mailserver\u002Fcompose.yaml\nmail:\n  networks:\n     - \"application_shared\"\nnetworks:\n  application_shared:\n    external: true\n","4-how-to-convert-dkim-mailtxt-to-dns-record","4. How to convert DKIM mail.txt to DNS record","mail._domainkey IN      TXT     ( \"v=DKIM1; h=sha256; k=rsa; \"\n          \"p=sOmEJuNkLiKeRaNdOmOrLikeThat\"\n          \"eVeNmOrERANdOmStuFf\" )  ; ----- DKIM key mail for example.com\n","v=DKIM1; h=sha256; k=rsa; p=sOmEJuNkLiKeRaNdOmOrLikeThateVeNmOrERANdOmStuFf\n",2,"Common Things With Docker Mailserver","\u002Fdocker\u002Fcommon-things-with-docker-mailserver","root","h2","I was getting following error after setting up TLS certificates in docker-mailserver after setting it up with ","The problem was caused by two reasons","MX"," domain was ",", bu "," have been set up with wildcard certificate on ","*.example.com","So, specifying ","SSL_MODE=letsencrypt"," made it searching for ","\u002Fetc\u002Fletsencrypt\u002Fmail.example.com",", when it was just ","\u002Fetc\u002Fletsencrypt\u002Fexample.com","Change .env file to:","ul","SSL_MODE=manual","SSL_KEY_PATH=\u002Fetc\u002Fletsencrypt\u002Fexample.com\u002Ffullchain.pem","SSL_KEY_PATH=\u002Fetc\u002Fletsencrypt\u002Fexample.com\u002Fprivkey.pem","Don't forget to modify ","docker-compose"," volumes and pass certs from host filesystem. Note: they're not ","mail.example.com",", they're just ","https:\u002F\u002Fgithub.com\u002Fdocker-mailserver\u002Fdocker-mailserver\u002Fissues\u002F1607"," describes it well.","Internal hostname for ","docker-mailserver"," was just ",", and other container tried to send emails to ","mail:25","SOLUTION:"," change internal hostname in your app settings to actual, specified in your certificates and MX record.","Solution was to add quotes in your docker compose, just like that:","https:\u002F\u002Fgithub.com\u002Fdocker-mailserver\u002Fdocker-mailserver\u002Fissues\u002F684#issuecomment-322029794"," solved it","I've had ","mailserver\u002Fcompose.yaml"," and ","application\u002Fcompose.yaml"," and needed to connect ","application"," to ","mailserver","mail.txt"," was like:",": concatenate all strings inside round brackets:","And add them as a ","TXT"," record on my DNS provider control panel under ","mail._domainkey"," record.","Solution was right in ","https:\u002F\u002Fdocker-mailserver.github.io\u002Fdocker-mailserver\u002Fedge\u002Fconfig\u002Fbest-practices\u002Fdkim_dmarc_spf\u002F#dkim-dns","official documentation",", just hidden a little bit.","    - ","shared","    ",": "))