Całość wygląda następująco:

user@raspberrypi:/home/user$ mail -s "Test" m...@w...pl -v
Test, tylko test.
.
EOT
user@raspberrypi:/home/user$ LOG: MAIN
<= a...@i...pl U=user P=local S=491
delivering [tutaj ciąg znaków, zashashowane hasło? login?]
R: smarthost for m...@w...pl
T: remote_smtp_smarthost for m...@w...pl
Transport port=25 replaced by host-specific port=587
Connecting to poczta.interia.pl [217.74.64.236]:587 ... connected
SMTP<< 220 ESMTP INTERIA.PL
SMTP>> EHLO raspberrypi
SMTP<< 250-poczta.interia.pl
250-PIPELINING
250-SIZE 157286400
250-STARTTLS
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250 8BITMIME
SMTP>> STARTTLS
SMTP<< 220 2.0.0 Ready to start TLS
SMTP>> EHLO raspberrypi
SMTP<< 250-poczta.interia.pl
250-PIPELINING
250-SIZE 157286400
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250 8BITMIME
SMTP>> MAIL FROM:<a...@i...pl> SIZE=1529
SMTP>> RCPT TO:<m...@w...pl>
SMTP>> DATA
SMTP<< 250 2.1.0 Ok
SMTP<< 554 5.7.1 <******.*******.****.tpnet.pl[***.***.***.***]>:
Client host rejected: Access denied
SMTP<< 554 5.5.1 Error: no valid recipients
SMTP>> QUIT
LOG: MAIN
** m...@w...pl R=smarthost T=remote_smtp_smarthost: SMTP
error from remote mail server after RCPT TO:<m...@w...pl>: host
poczta.interia.pl [217.74.64.236]: 554 5.7.1
<bwz215.neoplus.adsl.tpnet.pl[83.29.249.215]>: Client host rejected:
Access denied
LOG: MAIN
<= <> [ciąg znaków. hasło? login?] U=Debian-exim P=local S=1481
LOG: MAIN
Completed
delivering [ciąg znaków. hasło? login?]
R: smarthost for a...@i...pl
T: remote_smtp_smarthost for h...@i...pl
Transport port=25 replaced by host-specific port=587
Connecting to poczta.interia.pl [217.74.64.236]:587 ... connected
SMTP<< 220 ESMTP INTERIA.PL
SMTP>> EHLO raspberrypi
SMTP<< 250-poczta.interia.pl
250-PIPELINING
250-SIZE 157286400
250-STARTTLS
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250 8BITMIME
SMTP>> STARTTLS
SMTP<< 220 2.0.0 Ready to start TLS
SMTP>> EHLO raspberrypi
SMTP<< 250-poczta.interia.pl
250-PIPELINING
250-SIZE 157286400
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250 8BITMIME
SMTP>> MAIL FROM:<> SIZE=2543
SMTP>> RCPT TO:<a...@i...pl>
SMTP>> DATA
SMTP<< 250 2.1.0 Ok
SMTP<< 554 5.7.1 <******.*******.****.tpnet.pl[***.***.***.***]>:
Client host rejected: Access denied
SMTP<< 554 5.5.1 Error: no valid recipients
SMTP>> QUIT
LOG: MAIN
** a...@i...pl R=smarthost T=remote_smtp_smarthost: SMTP
error from remote mail server after RCPT TO:<a...@i...pl>:
host poczta.interia.pl [217.74.64.236]: 554 5.7.1
<******.*******.****.tpnet.pl[***.***.***.***]>: Client host rejected:
Access denied
LOG: MAIN
Frozen (delivery error message)