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mail.pgp.signing.type selects NONE (default), OPENPGP or SMIME, with one
key/certificate per From address.
- OPENPGP: plaintext copies become PGP/MIME multipart/signed (RFC 3156 s5,
detached signature over the exact content entity bytes); encrypted copies
are signed inside the encryption (combined method)
- SMIME: plaintext copies become S/MIME multipart/signed (RFC 8551, via
Bouncy Castle bcjmail); encrypted copies are S/MIME-signed, then
PGP/MIME-encrypted
- signed bodies are attached as raw bytes so they reach the wire unchanged;
shared MIME helpers move to MimeEntities
- keys are validated at startup (signing capability, address match,
validity, passphrase / key-certificate match)
- mail.pgp.signing.required refuses mail from addresses without a key
(MailSigningException); RELAY mode signs before handing over
- SendReport.signature(), metric tag signature, refused{cause}
- core test-jar shares key/certificate and verification helpers
- end-to-end tests verify signatures on the bytes received over SMTP
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01G71TQ5jDETVwdUJxGAwaiT
53 lines
1.6 KiB
YAML
53 lines
1.6 KiB
YAML
spring:
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main:
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web-application-type: none
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mail:
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host: ${SMTP_HOST:localhost}
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port: ${SMTP_PORT:587}
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username: ${SMTP_USERNAME:}
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password: ${SMTP_PASSWORD:}
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properties:
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mail.smtp.auth: ${SMTP_AUTH:true}
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mail.smtp.starttls.enable: ${SMTP_STARTTLS:true}
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mail.smtp.starttls.required: ${SMTP_STARTTLS:true}
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mail.smtp.connectiontimeout: 10000
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mail.smtp.timeout: 10000
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mail:
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pgp:
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mode: ${MAIL_PGP_MODE:BUILT_IN} # BUILT_IN | RELAY
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default-policy: ${MAIL_PGP_DEFAULT_POLICY:OPPORTUNISTIC}
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mixed-mode: SPLIT
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protected-headers: ${MAIL_PGP_PROTECTED_HEADERS:false}
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# recipients:
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# "[*@partner.example]": REQUIRE
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# Readable sent copies: the sender's own PUBLIC key per From address.
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# sender-keys:
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# "[noreply@example.com]": file:/etc/mail/noreply.pub.asc
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# Signing with the From address's key: NONE | OPENPGP | SMIME
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signing:
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type: ${MAIL_PGP_SIGNING_TYPE:NONE}
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# openpgp:
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# "[noreply@example.com]":
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# key: file:/etc/mail/noreply.sec.asc
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# passphrase: ${SIGNING_PASSPHRASE}
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# smime:
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# "[noreply@example.com]":
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# keystore: file:/etc/mail/noreply.p12
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# password: ${SMIME_PASSWORD}
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relay:
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host: ${RELAY_HOST:}
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port: ${RELAY_PORT:587}
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username: ${RELAY_USERNAME:}
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password: ${RELAY_PASSWORD:}
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policy-header: X-Encryption-Policy
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demo:
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to: ${DEMO_TO:test@thinhha.pro}
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from: ${DEMO_FROM:${SMTP_USERNAME:}}
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count: ${DEMO_COUNT:1}
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logging:
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level:
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pro.thinhha.mailsender: DEBUG
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