Portál AbcLinuxu, 17. července 2025 04:50
ahoj...IPCka toho postfixu a vzapati sa skusim telnetnut a poslat bordel
D.
RCPT TO: neco@mnekde.com 554 5.7.1 neco@nekde.com: Relay access denied quit 221 2.0.0 Bye Connection closed by foreign host.
Nevím ani, jak rozumně napodobit takovou situaci, abych se přesvědčil, zda je logována.
root@rubisco:~# telnet dekatron.hrach.eu 25 220 dekatron.hrach.eu ESMTP Postfix (Debian/GNU) HELO rubisco.hrach.eu 250 dekatron.hrach.eu MAIL FROM: blabla@seznam.cz 250 2.1.0 Ok RCPT TO: bububu@centrum.cz 554 5.7.1 <bububu@centrum.cz>: Relay access denied ... Jan 9 15:49:34 dekatron postfix/smtpd[26529]: NOQUEUE: reject: RCPT from ip-86-49-108-65.net.upcbroadband.cz[86.49.108.65]: 554 5.7.1 <bububu@centrum.cz>: Relay access denied; from=<blabla@seznam.cz> to=<bububu@centrum.cz> proto=SMTP helo=<rubisco.hrach.eu>
SMTP TLS Warning - Does not support TLS. More Info SMTP Reverse Banner Check OK - 46.29.230.162 resolves to jednota.podborany.cz SMTP Reverse DNS Mismatch OK - Reverse DNS matches SMTP Banner SMTP Connection Time 1.263 seconds - Good on Connection time SMTP Open Relay OK - Not an open relay. SMTP Transaction Time 3.832 seconds - Good on Transaction Time Session Transcript:
Connecting to 46.29.230.162
220 jednota.podborany.cz ESMTP Postfix [1063 ms]
EHLO MXTB-PWS3.mxtoolbox.com
250-jednota.podborany.cz
250-PIPELINING
250-SIZE 50000000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN [753 ms]
MAIL FROM: supertool@mxtoolbox.com
250 2.1.0 Ok [755 ms]
RCPT TO: test@example.com
554 5.7.1 test@example.com: Relay access denied [755 ms]
MXTB-PWS3v2 8229ms
Doplnil bych TLS podporu.
Tiskni
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