Outbound Mail Message Phase 1 U of W
Outbound Mail Message Phase 1 U. of W Dept of Chemistry Departmental Mail Server gibbs. chem. washington. edu Email Services External Mail Transfer Agent SMTP Server server. otherplace. edu SMTP Server Mail User Agent (e. g. IMAP) Sending Email Client Chair-PC
Outbound Mail Message Phase 2 & Phase 3 U. of W Email Services Dept of Chemistry External Mail Transfer Agent SMTP Server server. otherplace. edu Originating Mail Transfer Agent SMTP server smtp. u. washington. e du Sending Email Client Chair-PC Mail User Agent (e. g. IMAP)
Inbound Mail Message Phase 1 U. of W Dept of Chemistry Departmental Mail Server gibbs. chem. washington. edu SMTP server Email Services Configuration: /etc/mail/local-host-names “I [gibbs] am chem. washington. edu” External Mail Transfer Agent SMTP Server server. otherplace. edu IMAP server Recipient Email Client Chair-PC DNS Query: Who is email server for domain “chem. washington. edu”? DNS Reply: gibbs. chem. washington. edu DNS Server MX Record chem. washington. edu --> gibbs. chem. washington. edu
Inbound Mail Message Phase 2 U. of W Dept of Chemistry Departmental Mail Server gibbs. chem. washington. edu Email Services Configuration: /etc/mail/local-host-names “I [gibbs] am chem. washington. edu” SMTP Server (Forward Only) Alias Table Receiving SMTP server External Mail Transfer Agent SMTP Server server. otherplace. edu smtp. washington. edu chair->chemchair@uw. edu IMAP server DNS. . . deskmail. u. wa. . . edu Recipient Email Client Chair-PC Query: Who is email server for domain “chem. washington. edu”? DNS Reply: gibbs. chem. washington. edu DNS Server MX Record chem. washington. edu --> gib@bs. chem. washington. edu
Inbound Mail Message Phase 3 U. of W Dept of Chemistry “Flipping the Switch” Email Services Configuration: Email Services “I [smtp. wa. . . ] am chem. washington. edu” External Mail Transfer Agent SMTP Server Alias Table Receiving SMTP server. otherplace. edu smtp. washington. edu chair->chemchair@uw. edu IMAP server DNS. . . deskmail. u. wa. . . edu Recipient Email Client Chair-PC Query: Who is email server for domain “chem. washington. edu”? DNS Reply: smtp. washington. edu DNS Server MX Record chem. washington. edu --> smtp. washington. edu
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