2017-07-23 07:56:38 +00:00
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# NAME leenooks/smtp
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# VERSION latest
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2023-04-25 10:39:41 +00:00
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FROM alpine
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2017-07-23 07:56:38 +00:00
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2023-04-25 10:39:41 +00:00
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# Change to http respositories, so they we can cache the install packages
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RUN if [ -n ${HTTP_PROXY} ] ; then sed -ie s'/https/http/' /etc/apk/repositories; fi
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2017-07-23 07:56:38 +00:00
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2023-04-25 10:39:41 +00:00
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RUN apk add shadow && useradd -rc "HUB Mail Relay" -M relay -NG mail -s /sbin/nologin && echo relay:SmTpR3l2Y | chpasswd
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2017-07-23 07:56:38 +00:00
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2023-04-25 10:39:41 +00:00
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RUN apk add --no-cache postfix opendkim opendkim-utils \
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&& gpasswd -a postfix opendkim
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# Config postfix
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RUN sed -ie 's%#mynetworks = hash:/etc/postfix/network_table%mynetworks = /etc/opendkim/signing/TrustedHosts%' /etc/postfix/main.cf \
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&& echo -n 'bWVzc2FnZV9zaXplX2xpbWl0ID0gMjU2MDAwMDAKcXVldWVfbWluZnJlZSA9IDUxMjAwMDAwCg=='|base64 -d >> /etc/postfix/main.cf
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# Enable DKIM
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RUN mkdir /run/opendkim \
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&& echo -n 'IyBNaWx0ZXIgY29uZmlndXJhdGlvbiAtIG9wZW5ka2ltCiMgSWYgdGhlIE9wZW5ES0lNIG1pbHRl\
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ciBpc24ndCBhdmFpbGFibGUsIGFjY2VwdCB0aGUgbWVzc2FnZSBhbnl3YXkuCm1pbHRlcl9kZWZh\
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dWx0X2FjdGlvbiA9IGFjY2VwdAojIFdoYXQgbWlsdGVyIGNvbW11bmljYXRpb24gcHJvdG9jb2wg\
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c2hvdWxkIGJlIHVzZWQgdG8gcGFzcyBtZXNzYWdlcwojIHRvIGFuZCBmcm9tIE9wZW5ES0lNPwpt\
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aWx0ZXJfcHJvdG9jb2wgPSA2CiMgV2hlcmUgc2hvdWxkIHRoZSBPcGVuREtJTSBtaWx0ZXIgYmUg\
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Y29udGFjdCB0aHJvdWdoPyAgTm90ZSB0aGF0IHRoaXMKIyBpcyBpbnNpZGUgdGhlIC92YXIvc3Bv\
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b2wvcG9zdGZpeCBjaHJvb3QuCnNtdHBkX21pbHRlcnMgPSBpbmV0OjEyNy4wLjAuMTo4ODkxCiMg\
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U2VuZCBtYWlsIHRoYXQgZG9lc24ndCBhcnJpdmUgZnJvbSB0aGUgbmV0d29yayB0aHJvdWdoIHRo\
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ZSBzYW1lIG1pbHRlcgojIGFzIG91dGJvdW5kIG1haWwuCm5vbl9zbXRwZF9taWx0ZXJzID0gJHNt\
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dHBkX21pbHRlcnMK' |base64 -d >> /etc/postfix/main.cf
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COPY opendkim.conf /etc/opendkim
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VOLUME ["/var/spool/postfix"]
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2017-07-23 07:56:38 +00:00
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EXPOSE 25
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COPY init /sbin/
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# Starting
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ENTRYPOINT [ "/sbin/init" ]
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