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==Upgrade Considerations==
==Upgrade Considerations==
===A-Record DNSBL Services===
: Some DNSBL services - notably b.barracudacentral.org - provide their results using a DNS "A" record instead of a DNS TXT record. The dnsbl plugin requires these services to include a colon (":") in dnsbl_zones - however, SME used to use a colon the server separator in the configuration database. In order to support these A-Record DNSBL services, the separator for RBLList, SBLList, and the new UBLList is now a comma. You can now configure b.barracudacentral.org using (note the single quotes):
: Some DNSBL services - notably b.barracudacentral.org - provide their results using a DNS "A" record instead of a DNS TXT record. The dnsbl plugin requires these services to include a colon (":") in dnsbl_zones - however, SME used to use a colon the server separator in the configuration database. In order to support these A-Record DNSBL services, the separator for RBLList, SBLList, and the new UBLList is now a comma. You can now configure b.barracudacentral.org using (note the single quotes):
: <code><nowiki>config setprop qpsmtpd RBLList server1,server2,'b.barracudacentral.org:Blocked - see <http://bbl.barracudacentral.com/q.cgi?ip=%IP%>'</nowiki></code>
: <code><nowiki>config setprop qpsmtpd RBLList server1,server2,'b.barracudacentral.org:Blocked - see <http://bbl.barracudacentral.com/q.cgi?ip=%IP%>'</nowiki></code>
===DKIM & DMARC===
: DKIM & DMARC are now supported natively by SME Server. To enable these you will need to configure appropriate DNS records in your public DNS server.
: DKIM & DMARC are now supported natively by SME Server. To enable these you will need to configure appropriate DNS records in your public DNS server.
: There are forum reports of problems for users who had DKIM enabled using the DKIM contrib.
: There are forum reports of problems for users who had DKIM enabled using the DKIM contrib.
===URIBL===
: SME Server now supports URIBL - the ability to block emails that contain known malicious URLs within the body of the email. This service is disabled by default.
: SME Server now supports URIBL - the ability to block emails that contain known malicious URLs within the body of the email. This service is disabled by default.
==="Naughty" plugin===
: SME Server is now using the 'naughty' plugin which allows early plugins like dnsbl, earlytalker, etc to indicate that the email should be rejected at a later point in the interaction. This allows the server to log extra information for denied emails. Specifically, emails denied by dnsbl will now show the sender and recipient email addresses in the qpsmtpd log
: SME Server is now using the 'naughty' plugin which allows early plugins like dnsbl, earlytalker, etc to indicate that the email should be rejected at a later point in the interaction. This allows the server to log extra information for denied emails. Specifically, emails denied by dnsbl will now show the sender and recipient email addresses in the qpsmtpd log
