This Docker image (maurosoft1973/alpine-postfix-relay) is based on the minimal Alpine Linux with Postfix Version v3.7.4-r0.
Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail.
Postfix attempts to be fast, easy to administer, and secure.
:aarch64- 64 bit ARM:armhf- 32 bit ARM v6:armv7- 32 bit ARM v7:ppc64le- 64 bit PowerPC:x86- 32 bit Intel/AMD:x86_64- 64 bit Intel/AMD (x86_64/amd64)
:latestlatest branch based (Automatic Architecture Selection):aarch64latest 64 bit ARM:armhflatest 32 bit ARM v6:armv7latest 32 bit ARM v7:ppc64lelatest 64 bit PowerPC:x86latest 32 bit Intel/AMD:x86_64latest 64 bit Intel/AMD:testtest branch based (Automatic Architecture Selection):test-aarch64test 64 bit ARM:test-armhftest 32 bit ARM v6:test-armv7test 32 bit ARM v7:test-ppc64letest 64 bit PowerPC:test-x86test 32 bit Intel/AMD:test-x86_64test 64 bit Intel/AMD:3.17.23.17.2 branch based (Automatic Architecture Selection):3.17.2-aarch643.17.2 64 bit ARM:3.17.2-armhf3.17.2 32 bit ARM v6:3.17.2-armv73.17.2 32 bit ARM v7:3.17.2-ppc64le3.17.2 64 bit PowerPC:3.17.2-x863.17.2 32 bit Intel/AMD:3.17.2-x86_643.17.2 64 bit Intel/AMD:3.17.2-3.7.4-r03.17.2-3.7.4-r0 branch based (Automatic Architecture Selection):3.17.2-3.7.4-r0-aarch643.17.2 64 bit ARM:3.17.2-3.7.4-r0-armhf3.17.2 32 bit ARM v6:3.17.2-3.7.4-r0-armv73.17.2 32 bit ARM v7:3.17.2-3.7.4-r0-ppc64le3.17.2 64 bit PowerPC:3.17.2-3.7.4-r0-x863.17.2 32 bit Intel/AMD:3.17.2-3.7.4-r0-x86_643.17.2 64 bit Intel/AMD
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This image creates containers that allow you to send e-mails via your e-mail address (ex. gmail).
LC_ALL: default locale (default en_GB.UTF-8)TIMEZONE: default timezone (default Europe/Brussels)SMTP_SENDER_NAME: the name displayed in the from header (also from name)SMTP_RELAY_HOST: the smtp server will forward mailSMTP_RELAY_PORT: the port of relay hostSMTP_RELAY_LOGIN: user for login the relay hostSMTP_RELAY_PASSWORD: password for login the relay hostRECIPIENT_RESTRICTIONS: the recipients address to delivery email (default empty -> all recipient address)ACCEPTED_NETWORKS: the address ip authorized to send email (default 192.168.0.0/16 172.17.0.0/16 172.16.0.0/12 10.0.0.0/8)SMTP_USE_TLS: Enabling TLS in the Postfix SMTP Client (default no)SMTP_TLS_SECURITY_LEVEL: The default SMTP TLS security level for the Postfix SMTP client (default may)SMTP_DEBUG_PEER_LIST: For help with troubleshooting, Postfix can increase logging for particular hosts that you might be having problems with. debug_peer_list specifies a list of one or more hosts, domains, or regular expression patterns whose logging should be increased by the degree specified in debug_peer_level (default: 0.0.0.0 -> none)SMTP_DEBUG_PEER_LEVEL: debug level (default 3)
1. Create a container with account gmail,without 2FA enabled, and it's listen on all network interfaces and port 25
SMTP_GMAIL_LOGIN=youremail
SMTP_GMAIL_PASSWORD=yourpassword
docker run -d -p 0.0.0.0:25:25 \
--name alpine-postfix-relay-to-gmail \
-e SMTP_RELAY_HOST=smtp.gmail.com \
-e SMTP_RELAY_PORT=465 \
-e SMTP_RELAY_LOGIN=${SMTP_GMAIL_LOGIN} \
-e SMTP_RELAY_PASSWORD=${SMTP_GMAIL_PASSWORD} \
maurosoft1973/alpine-postfix-relay2. Create a container with account gmail,without 2FA enabled, and it's listen on all network interfaces and port 25 and 587
SMTP_GMAIL_LOGIN=youremail
SMTP_GMAIL_PASSWORD=yourpassword
docker run -d -p 0.0.0.0:25:25 -p 0.0.0.0:587:587 \
--name alpine-postfix-relay-to-gmail \
-e SMTP_RELAY_HOST=smtp.gmail.com \
-e SMTP_RELAY_PORT=465 \
-e SMTP_RELAY_LOGIN=${SMTP_GMAIL_LOGIN} \
-e SMTP_RELAY_PASSWORD=${SMTP_GMAIL_PASSWORD} \
maurosoft1973/alpine-postfix-relay3. Create a container with account gmail,with 2FA enabled, and it's listen on all network interfaces and port 25 and 587
First, you create an account Google apppasswords for allow send email. The password is automatically generated
Please copy the password and paste into SMTP_GMAIL_PASSWORD
SMTP_GMAIL_LOGIN=youremail
SMTP_GMAIL_PASSWORD=automaticpasswordgenerated
docker run -d -p 0.0.0.0:25:25 -p 0.0.0.0:587:587 \
--name alpine-postfix-relay-to-gmail \
-e SMTP_RELAY_HOST=smtp.gmail.com \
-e SMTP_RELAY_PORT=465 \
-e SMTP_RELAY_LOGIN=${SMTP_GMAIL_LOGIN} \
-e SMTP_RELAY_PASSWORD=${SMTP_GMAIL_PASSWORD} \
maurosoft1973/alpine-postfix-relayThis job use the image maurosoft1973/alpine-postfix-relay for load as service and send email.
For use, replace the value:
- recipientname
- recipientaddress
- sendername
- youremail
- yourpassword with the your values
Note: i use the sleep function, inside the job, for have time to process the postfix queue, otherwise the e-mail is not sent because the process is stopped.
postfix-relay-service:
stage: test
image: maurosoft1973/alpine
services:
- name: maurosoft1973/alpine-postfix-relay
alias: smtp
variables:
SMTP_RECIPIENT_NAME: "recipientname"
SMTP_RECIPIENT: "recipientaddress"
SMTP_SENDER_NAME: "sendername"
SMTP_RELAY_HOST: "smtp.gmail.com"
SMTP_RELAY_PORT: "465"
SMTP_RELAY_LOGIN: "youremail"
SMTP_RELAY_PASSWORD: "yourpassword"
script:
- apk add curl
- |
echo "From: $SMTP_SENDER_NAME <$SMTP_RELAY_LOGIN>" >> mail.txt
echo "To: $SMTP_RECIPIENT_NAME <${SMTP_RECIPIENT}>" >> mail.txt
echo "Subject: Test Message - CURL" >> mail.txt
echo "" >> mail.txt
echo "Dear $SMTP_RECIPIENT_NAME," >> mail.txt
echo "Test message from GitLab Pipeline" >> mail.txt
- curl smtp://smtp -v --mail-from "$SMTP_RELAY_LOGIN" --mail-rcpt "$SMTP_RECIPIENT" -T "mail.txt"
- sleep 15s