Comments on How to Create a Fully Featured Mail Server using Postal

Postal is a free and open source complete mail server for sending and receiving emails. It is written in Ruby and JavaScript. In this tutorial, we will install Postal Mail Server on Ubuntu 17.04.

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By: tep1997

Getting a 502 Bad Gateway message at the configure postal through web browser step. I've tried editind the nginx server block settings, but no luck. Any ideas?

 

Thanks

By: Liptan Biswas

Check your error logs at /var/log/nginx/error.log, You should find the cause of error.

By: Khalid

Probably your postal isn't running, run it wil this commands : 

su - postal

postal start

 

By: Martijn

After setting the command setcap 'cap_net_bind_service=+ep' ruby Breaks. before this command Ruby was running normally and i can fix the problem with rvm fix-permissions but postal is not binding to port 25Always getting back:ruby: error while loading shared libraries: libruby.so.2.4: cannot open shared object file: No such file or directory

 

any idea's to fix this?I'm running Ubuntu 16.04.3 LTSr

By: DeepakD

Needed a on-prem transactional email server as part of a distributed application.

Installed and configured successfully following this guide. Pretty clear and comprehensive walk-through.

Here are few remarks from my experience:

1. Fetching rvm project's key using gpg didn't work from the official key server, it worked from hkp://pgp.mit.edu

2. Had to install bundler and procodile gems for the user 'postal' also.

 

3. If there's no actual domain name for certbot to create SSL certificate key pairs, one can generate locally using OpenSSL utility (http://bit.ly/2U2YJdL).

 

Thank You. Cheers!!

 

By: Rezqon

Thank you so much for this great information. I installed postal,checked from inside and outside. But I exereienced a problem when I connect sendblabter app. to smtp. No emails were sent. I got this error: {421 cannot connect to smtp server. (my IP) connection error 10060}

Would you please help to solve this issue.

Regards

 

By: Arp

I have Postal installed but it's not styled. When I go to the link where the css file should be, I get a 404 error.

When I check the files at /opt/postal/app/public/assets/application the css file is there and named correctly.

Why is it not loading in the browser?

By: Divya

Can We configure multiple smtp relay server in postal.yml. If YES then how?? Please let me know by writing the syntax.