70 lines
3.2 KiB
Plaintext
70 lines
3.2 KiB
Plaintext
// Flow of outbound mails
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//
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// Convert to png with Graphviz:
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// dot -Tpng flow.outbound.dot -o flow.outbound.png
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digraph outbound {
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label="Flow of Outbound Mail"
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sender[label="Sender"]
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recipient[label="Recipient"]
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rcpt_server[label="Recipient Server"]
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postfix_smtpd[label="Postfix (smtpd)", style=filled]
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postfix_queue[label="Postfix (queue)", style=filled]
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postfix_submission[label="Postfix (submission, port 587, TLS)", style=filled]
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//postfix_iredapd[label="Postfix (smtpd)"]
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dovecot[label="Dovecot (POP3/IMAP/Sieve/LDA/LMTP/SASL)", style=filled]
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iredapd[label="iRedAPD (Postfix Policy Server)", style=filled, shape=diamond]
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db[label="OpenLDAP, MySQL/MariaDB/PostgreSQL", style=filled]
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//amavisd[label="Amavisd", style=filled]
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//amavisd_10024[label="Amavisd (for incoming mails, port 10024)", style=filled]
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sa_clamav[label="SpamAssassin, ClamAV", style=filled]
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amavisd_10026[label="Amavisd (for submission, port 10026)", style=filled, shape=diamond]
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//mailboxes[label="Mailboxes"]
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sender -> postfix_submission[label=" Enter iRedMail Server", style=dotted]
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postfix_submission -> iredapd[label=" White/Blacklisting\n Throttling\n Sender Login Mismatch\n ..."]
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iredapd -> postfix_submission[label=" DUNNO \nREJECT \n...", color=blue]
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postfix_submission -> amavisd_10026[label=" Spam/Virus Scanning"]
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amavisd_10026 -> sa_clamav[label=" Spam/Virus Scanning \nDKIM verification \n..."]
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sa_clamav -> amavisd_10026
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amavisd_10026 -> postfix_queue[label=" Submit to mail queue"]
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postfix_queue -> postfix_smtpd
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postfix_smtpd -> rcpt_server[label=" Leave iRedMail Server", style=dotted]
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rcpt_server -> recipient[style=dotted]
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amavisd_10026 -> postfix_submission[label=" REJECT, BOUNCE, ... \n(Detected SPAM/VIRUS, ...)", color=blue]
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iredapd -> db[label=" User Verification\n Additional SQL/LDAP queries"]
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amavisd_10026 -> db[label=" User verification \nWhite/Blacklisting \nQuarantine Spam/Virus \n..."]
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postfix_submission -> db[label=" User Verification"]
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postfix_submission -> dovecot[label="User Authentication \n(Dovecot is SASL AUTH server)"]
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dovecot -> db
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//postfix_submission -> sender[label=" REJECT, ...", color=red]
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/*
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end_users -> postfix_submission[label=" Enter iRedMail Server", style=dotted]
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postfix_submission -> iredapd[label=" White/Blacklisting, Throttling"]
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postfix_submission -> amavisd_10026[label=" Spam/Virus Scanning"]
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postfix_submission -> dovecot[label="User Authentication \n(Dovecot is SASL AUTH server)"]
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postfix_submission -> db[label=" User Verification"]
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iredapd -> postfix_submission[label=" DUNNO \nREJECT \n...", color=blue]
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iredapd -> db[label=" User Verification\n Additional SQL/LDAP queries"]
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amavisd_10026 -> sa_clamav[label=" Spam/Virus Scanning \nDKIM verification \n..."]
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amavisd_10026 -> postfix_queue[label=" Submit to mail queue"]
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amavisd_10026 -> postfix_submission[label=" REJECT, BOUNCE, ... \n(Detected SPAM/VIRUS, ...)", color=blue]
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amavisd_10026 -> db[label=" User verification \nWhite/Blacklisting \nQuarantine Spam/Virus \n..."]
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dovecot -> db
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sa_clamav -> amavisd_10026
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*/
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}
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