Mailgw for FJFI Petr Vokáč říjen 2005

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1 Mailgw for FJFI Petr Vokáč říjen 2005
doplňuje předešlou prezentaci a informace o konfiguraci mailové brány

2 Mailgw for FJFI – data flow
Internet FJFI Mailgw (mailgw1, mailgw2) mail routing -> <- smart host mailserver Local

3 Mailgw for FJFI – mailgw
SMTP queue default restrictions ppolicy amavis (spam, antivir) SMTP communication with remote server SMTP send data SMTP queue

4 Mailgw for FJFI - restrictions
Viz. minule Client Helo Sender Recipient Data Zakázat přímé doručování – konf. mailserveru/firewallu “From: zvenčí (admin, ...)? Sledování odmítnutých mailů na mailgw (odkazy týkající se mailgw)

5 Mailgw for FJFI - ppolicy
Postfix Policy Daemon policy/ Modules Simple (ok, reject, ...) - viz. man 5 access Logical (and, or, not, eq, if, switch, atLeast, ...) Real – access, listWB, spf, domainVerification, userVerification, greylist, trap, dos, dnsbl, resolve (ip-name- ip-name) Configuration?

6 Mailgw for FJFI - amavis
10 -1000 Antivirus – KAV drop infected don’t send info Spamfilter – spamassassin SARE rules My custom rules User configuration LDAP amavisAccount For official addresses Security problem (mailRoutingAddress & amavisSpamTagLevel & dropping spam mail) spam tagger filter mailserver

7 Mailgw for FJFI – configuration
Synchronization (automatic) Users - govAssignedNumber Windows AD (which attribute?) NDS (RC syntax?) Groups? Special? Sync. Interval (removing expired?, ou=Odpad) LDAP addressbook Access restrictions? Phone numbers and rooms in usermap? Remove executable attachements? SMTP AUTH – NDS x AD x Usermap? pam_fjfi –

8 Mailgw for FJFI - administration
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