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How to replace Sendmail with Gmail smtp on Ubuntu server33

How to replace Sendmail with Gmail smtp on Ubuntu server Contents [hide] 1 Open a Gmail account 2 Install MSMTP 3 Configure MSMTP 4 Test MSMTP 5 Troubleshooting MSMTP 6 Configuring Apache\PHP to use MSMTP 7 Reference Today my goal was to be able to send mails from PHP from my web-server using Gmail smtp. My server runs on Apache with vhosts: I need a separate mailbox for every domain. I don’ want to manage a MTA because it’s resource and time expensive, so I want to send mails trough a Gmail account. I want the system to be fast and easy to maintain. The standard packages such as postfix, sendmail, qmail etc doesn’t meet the last two requirements, so I had to choose an alternative to postfix: MSMTP Open a Gmail account My suggestion is to not use your personal Gmail account, so probably will be a good idea to open a brand new one dedicated to the server. Install MSMTP That’s an easy task: use apt-get to achieve it. sudo apt-get install msmtp ca-certificates With this command we have installed also some authority certificates useful to verify SSL connection. Configure MSMTP The default config files for MSMTP are located in SYSCONFDIR/msmtprc and ~/.msmtprc. Neither the first or the second was created by apt, so I preferred to have a folder in /etc where store more than one config file if needed. Same for the logs. sudo mkdir /etc/msmtp sudo mkdir /var/log/msmtp Then I’ve created the config file: citex0 is the name of my server, change it. sudo touch /etc/msmtp/citex0 sudo nano /etc/msmtp/citex0 this is what’s inside: remeber to change your mailbox and password # Define here some setting that can be useful for every account defaults logfile /var/log/msmtp/general.log # Settings for citex0 account account citex0 protocol smtp host tls on tls_trust_file /etc/ssl/certs/ca-certificates.crt port 587 auth login user password my_server_password from logfile /var/log/msmtp/citex0.log # If you don't use any "-a" parameter in your command line, # the default account "citex0" will be used. account default: citex0 Test MSMTP change the with your own recipient, the file path if needed and run: echo -e "Subject: Test Mail\r\n\r\nThis is a test mail" | msmtp --debug --from=default -t --file=/etc/msmtp/citex0 Troubleshooting MSMTP Probably the first time you’ll try to send a mail to Google’s smtp from a server’s ip, BigG will deactivate your account. This is the result on the log or command line output: <-- 535-5.7.1 Please log in with your web browser and then try again. Learn more at <-- 535 5.7.1 b49sm36363995eem.16 msmtp: authentication failed (method LOGIN) msmtp: server message: 535-5.7.1 Please log in with your web browser and then try again. Learn more at msmtp: server message: 535 5.7.1 b49sm36363995eem.16 msmtp: could not send mail (account default from /etc/msmtp/citex0) To avoid this you only need to verify your Google Account by inserting your phone. Simply try to login with your server account and you'll be prompted for your phone number. Insert the right one and they will send you a code to unlock your server account. This is what happens when everything is alright! <-- 235 2.7.0 Accepted --> MAIL FROM: <-- 250 2.1.0 OK e2sm36547326eeo.8 --> RCPT TO: <-- 250 2.1.5 OK e2sm36547326eeo.8 --> DATA <-- 354 Go ahead e2sm36547326eeo.8 --> Subject: Test Mail --> --> This is a test mail --> . <-- 250 2.0.0 OK 1355059058 e2sm36547326eeo.8 --> QUIT <-- 221 2.0.0 closing connection e2sm36547326eeo.8 Anand Rai told me there is a way to do it without entering a captcha or password using web browser. Allow low security app login from the Google Account Security Panel Allow device from your machine from here, After this gmail will allow your server to send email. Also check the activity panel just to be sure the server is listed I suggest to not use this on production server for the security implications coming from enabling the "less secure apps". BTW thanks Anand! Configuring Apache\PHP to use MSMTP To force PHP to use MSMTP when called by Apache you have to set the environment variable sendmail_path. php_admin_value sendmail_path "/usr/bin/msmtp --debug --from=citex0 --file=/etc/msmtp/citex0 -t" At this point I had to fix some permission and owners sudo chmod 600 /etc/msmtp/citex0 sudo chown -R www-data:www-data /var/log/msmtp sudo chown -R www-data:www-data /etc/msmtp/ Note: you have to change ownership to $USER:$USER when testing to send email via echo command

published by gulshan on 2020-01-02 05:29:58

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