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Hello.

Actually I'm had some throuble about sending mail to wherever email address, I've pass "Test Email Server" from MXToolbox and it gave to me the follow:

Test -> SMTP Connect

Result -> Failed To Connect

More Info -> Connecting to xxx.xxx.xxx.xxx
3/18/2019 10:33:10 AM Connection attempt #1 - Unable to connect after 15 seconds. [15.05 sec]
LookupServer 15046ms

After look for my ip over this site https://www.dnswatch.info/dns/rbl-lookup and the results listed in 1 Realtime Blacklist(s).

blacklist name -> Brazilian SPFBL

domain -> dnsbl.spfbl.net

description -> Enforces rules like correct PTR record.

Now, it come some fools questions about it.

How this Brazilian SPFBL can affect the mail service, if my server it isn't on brazil?.

If I been on some kind of blacklist, It is possible to have some internal comunication, for example: mail1@mydomaininblacklist.com to mail2@mydomaininblacklist.com ?

It is possible to fix this issue?

I'll appreciate any help and comments.

Thanks in advanced.

Wilson Rivas.
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