[Postfix-br] Problema com auntenticação externa para enviar e-mails

Victório vic em wa.pro.br
Quarta Fevereiro 18 13:25:28 BRST 2015


On 17-02-2015 13:16, Marcio L Santos wrote:
> E segue no mesmo... o que notei é que parece ser um problema com o
> saslauthd, pois na rede interna funciona pois as contas estao sem
> autenticação, se coloco autenticação ocorre o mesmo problema

Mas se você usa o dovecot para pop3/imap, porque não usá-lo também para 
autenticação smtp?



> 2015-02-13 8:52 GMT-02:00 Marcio L Santos <marciolsantos80 at gmail.com>:
>> Mias um teste realizado hoje
>> Os comandos:
>>   testsaslauthd -s smtp -u <myusername> -p <mypassword>
>>   testsaslauthd -s smtpd -u <myusername> -p <mypassword>
>>   testsaslauthd -u <myusername> -p <mypassword>
>>
>> Retornaram: 0: NO "authentication failed"
>> E nos logs ( messages):
>>
>> Feb 13 08:38:57 mail saslauthd[1925]: do_auth         : auth failure:
>> [user=teste] [service=smtpd] [realm=] [mech=pam] [reason=PAM auth
>> error]
>> Feb 13 08:39:07 mail saslauthd[1927]: do_auth         : auth failure:
>> [user=teste] [service=imap] [realm=] [mech=pam] [reason=PAM auth
>> error]
>>
>> 2015-02-13 8:07 GMT-02:00 Marcio L Santos <marciolsantos80 at gmail.com>:
>>> Julio, aquela opção que comentei no primeiro post e reproduzo abaixo,
>>> poderia ajudar? Ou nao tem nada a ver?
>>> Nao executei pois tenho receio de piorar ao inves de ajudar .....
>>>
>>> https://www.virtualmin.com/node/12960
>>>
>>> Well, the issue that appears to be occurring above looks like a
>>> problem with Postfix talking to the saslauth daemon.
>>>
>>> I've seen that occur on older Ubuntu/Debian installs (in theory, that
>>> should be corrected with the current install.sh script).
>>>
>>> However, to resolve it, run this command as root:
>>>
>>> usermod -a -G sasl postfix
>>>
>>> And then restart Saslauthd:
>>>
>>> /etc/init.d/saslauthd restart
>>>
>>> 2015-02-12 13:47 GMT-02:00 Marcio L Santos <marciolsantos80 at gmail.com>:
>>>> Mesmo erro....testei no celular com a porta 587, com autenticacao e
>>>> tls e tambem sem o tls....
>>>> Sempre da no celular quando vou configurar a saida:
>>>> 535 5.7.0 Error; authentication failed: authentication failure
>>>> E os logs do postfix (maillog) a mesma coisa de antes
>>>> Feb 12 13:34:17 mail postfix/smtpd[4065]: warning: 179.219.xxx.xxx:
>>>> hostname xxx.virtua.com.br verification failed: Name or service not
>>>> known
>>>> Feb 12 13:34:17 mail postfix/smtpd[4065]: connect from unknown[179.219.xxx.xxx]
>>>> Feb 12 13:34:18 mail postfix/smtpd[4065]: warning: SASL authentication
>>>> failure: Password verification failed
>>>> Feb 12 13:34:18 mail postfix/smtpd[4065]: warning:
>>>> unknown[179.219.xxx.xxx]: SASL PLAIN authentication failed:
>>>> authentication failure
>>>>
>>>> 2015-02-12 13:34 GMT-02:00 Julio Cesar Covolato <julio at psi.com.br>:
>>>>> Ok. Configure um cliente externo para usar a porta 587 para envios...
>>>>>
>>>>> -----------------------------
>>>>>      _    Engº Julio Cesar Covolato
>>>>>     0v0   <julio at psi.com.br>
>>>>>    /(_)\  F: 55-11-3129-3366
>>>>>     ^ ^   PSI INTERNET
>>>>> -----------------------------
>>>>>
>>>>> On 12/02/2015 13:13, Marcio L Santos wrote:
>>>>>> Ola Julio, obrigado pela ajuda, a principio esta sim..... O meu
>>>>>> master.cf esta assim:
>>>>>>
>>>>>> smtp      inet  n       -       n       -       -       smtpd
>>>>>> submission inet n       -       n       -       -       smtpd
>>>>>>     -o smtpd_enforce_tls=yes
>>>>>>     -o smtpd_sasl_auth_enable=yes
>>>>>>     -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>>>>>> smtps     inet  n       -       n       -       -       smtpd
>>>>>>     -o smtpd_tls_wrappermode=yes
>>>>>>     -o smtpd_sasl_auth_enable=yes
>>>>>>     -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>>>>>> #628      inet  n       -       n       -       -       qmqpd
>>>>>> pickup    fifo  n       -       n       60      1       pickup
>>>>>> cleanup   unix  n       -       n       -       0       cleanup
>>>>>> qmgr      fifo  n       -       n       300     1       qmgr
>>>>>> #qmgr     fifo  n       -       n       300     1       oqmgr
>>>>>> tlsmgr    unix  -       -       n       1000?   1       tlsmgr
>>>>>> rewrite   unix  -       -       n       -       -       trivial-rewrite
>>>>>> bounce    unix  -       -       n       -       0       bounce
>>>>>> defer     unix  -       -       n       -       0       bounce
>>>>>> trace     unix  -       -       n       -       0       bounce
>>>>>> verify    unix  -       -       n       -       1       verify
>>>>>> flush     unix  n       -       n       1000?   0       flush
>>>>>> proxymap  unix  -       -       n       -       -       proxymap
>>>>>> smtp      unix  -       -       n       -       -       smtp
>>>>>> # When relaying mail as backup MX, disable fallback_relay to avoid MX
>>>>>> loops
>>>>>> relay     unix  -       -       n       -       -       smtp
>>>>>>           -o fallback_relay=
>>>>>> #       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
>>>>>> #       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
>>>>>> showq     unix  n       -       n       -       -       showq
>>>>>> error     unix  -       -       n       -       -       error
>>>>>> discard   unix  -       -       n       -       -       discard
>>>>>> local     unix  -       n       n       -       -       local
>>>>>> virtual   unix  -       n       n       -       -       virtual
>>>>>> lmtp      unix  -       -       n       -       -       lmtp
>>>>>> anvil     unix  -       -       n       -       1       anvil
>>>>>> scache    unix  -       -       n       -       1       scache
>>>>>> #
>>>>>> # ====================================================================
>>>>>> # Interfaces to non-Postfix software. Be sure to examine the manual
>>>>>> # pages of the non-Postfix software to find out what options it wants.
>>>>>> #
>>>>>> # Many of the following services use the Postfix pipe(8) delivery
>>>>>> # agent.  See the pipe(8) man page for information about ${recipient}
>>>>>> # and other message envelope options.
>>>>>> # ====================================================================
>>>>>> #
>>>>>> # maildrop. See the Postfix MAILDROP_README file for details.
>>>>>> # Also specify in main.cf: maildrop_destination_recipient_limit=1
>>>>>> #
>>>>>> maildrop  unix  -       n       n       -       -       pipe
>>>>>>    flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
>>>>>> ##maildrop  unix  -       n       n       -       -       pipe
>>>>>> ##  flags=DRhu user=vmail argv=/usr/bin/env SENDER=${sender}
>>>>>> ##  RECIPIENT=${recipient} EXTENSION=${extension} /usr/bin/maildrop
>>>>>> ##  -w 90 -d ${user}@${nexthop} ${extension} ${recipient} ${user}
>>>>>> ${nexthop}
>>>>>> #
>>>>>> # The Cyrus deliver program has changed incompatibly, multiple times.
>>>>>> #
>>>>>> old-cyrus unix  -       n       n       -       -       pipe
>>>>>>     flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m
>>>>>> ${extension} ${user}
>>>>>> # Cyrus 2.1.5 (Amos Gouaux)
>>>>>> # Also specify in main.cf: cyrus_destination_recipient_limit=1
>>>>>> #cyrus     unix  -       n       n       -       -       pipe
>>>>>> #  user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m
>>>>>> ${extension} ${user}
>>>>>> #
>>>>>> # See the Postfix UUCP_README file for configuration details.
>>>>>> #
>>>>>> uucp      unix  -       n       n       -       -       pipe
>>>>>>     flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail
>>>>>> ($recipient)
>>>>>> #
>>>>>> # Other external delivery methods.
>>>>>> #
>>>>>> ifmail    unix  -       n       n       -       -       pipe
>>>>>>     flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
>>>>>> bsmtp     unix  -       n       n       -       -       pipe
>>>>>>     flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop
>>>>>> $recipient
>>>>>>
>>>>>> # Vacation
>>>>>> vacation  unix  -       n       n       -       -       pipe
>>>>>>        flags=Rq user=vacation argv=/var/spool/vacation/vacation.pl -f
>>>>>> $(sender) ${recipient}
>>>>>>
>>>>>> ## DOVECOT ##
>>>>>> dovecot unix - n n - - pipe
>>>>>>     flags=DRhu user=vmail:mail argv=/usr/libexec/dovecot/deliver -d
>>>>>> $(recipient)
>>>>>> ## Amavis ##
>>>>>> amavisfeed unix    -       -       n        -      2     lmtp
>>>>>>       -o lmtp_data_done_timeout=1200
>>>>>>       -o lmtp_send_xforward_command=yes
>>>>>>       -o disable_dns_lookups=yes
>>>>>>       -o max_use=20
>>>>>>
>>>>>> 127.0.0.1:10025 inet n    -       n       -       -     smtpd
>>>>>>       -o content_filter=
>>>>>>       -o smtpd_delay_reject=no
>>>>>>       -o smtpd_client_restrictions=permit_mynetworks,reject
>>>>>>       -o smtpd_helo_restrictions=
>>>>>>       -o smtpd_sender_restrictions=
>>>>>>       -o smtpd_recipient_restrictions=permit_mynetworks,reject
>>>>>>       -o smtpd_data_restrictions=reject_unauth_pipelining
>>>>>>       -o smtpd_end_of_data_restrictions=
>>>>>>       -o smtpd_restriction_classes=
>>>>>>       -o mynetworks=127.0.0.0/8
>>>>>>       -o smtpd_error_sleep_time=0
>>>>>>       -o smtpd_soft_error_limit=1001
>>>>>>       -o smtpd_hard_error_limit=1000
>>>>>>       -o smtpd_client_connection_count_limit=0
>>>>>>       -o smtpd_client_connection_rate_limit=0
>>>>>>       -o
>>>>>> receive_override_options=no_header_body_checks,no_unknown_recipient_checks,no_milters,no_address_mappings
>>>>>>       -o local_header_rewrite_clients=
>>>>>>       -o smtpd_milters=
>>>>>>       -o local_recipient_maps=
>>>>>>       -o relay_recipient_maps=
>>>>>>
>>>>>> 2015-02-12 12:52 GMT-02:00 Julio Cesar Covolato <julio at psi.com.br>:
>>>>>>> Olá Marcio.
>>>>>>>
>>>>>>> Vc liberou a porta submission 587 ou smtps 465 para acessos externos?
>>>>>>> Se não, adicione ao seu /etc/postfix/master.cf:
>>>>>>>
>>>>>>> submission inet n       -       n       -       -       smtpd
>>>>>>>     -o smtpd_enforce_tls=yes
>>>>>>>     -o smtpd_sasl_auth_enable=yes
>>>>>>>     -o
>>>>>>>
>>>>>>> smtpd_client_restrictions=permit_mynetworks,permit_sasl_authenticated,reject
>>>>>>> #  -o content_filter=smtp-amavis:[127.0.0.1]:10026
>>>>>>>     -o syslog_name=postfix/submission
>>>>>>> #  -o receive_override_options=no_header_body_checks
>>>>>>>
>>>>>>> smtps     inet  n       -       n       -       -       smtpd
>>>>>>>     -o smtpd_tls_wrappermode=yes
>>>>>>>     -o smtpd_sasl_auth_enable=yes
>>>>>>>     -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>>>>>>> #  -o content_filter=smtp-amavis:[127.0.0.1]:10026
>>>>>>>
>>>>>>>
>>>>>>> E configure seus clientes para enviarem numa dessas portas.
>>>>>>>
>>>>>>> -----------------------------
>>>>>>>       _    Engº Julio Cesar Covolato
>>>>>>>      0v0   <julio at psi.com.br>
>>>>>>>     /(_)\  F: 55-11-3129-3366
>>>>>>>      ^ ^   PSI INTERNET
>>>>>>> -----------------------------
>>>>>>>
>>>>>>>
>>>>>>> On 12/02/2015 11:28, Marcio L Santos wrote:
>>>>>>>> Bom dia pessoal, tenho um postfix + mysql + dovecot rodando em um centos
>>>>>>>> 5.6
>>>>>>>> è uma máquina antiga "herdada" da antiga administração da TI.
>>>>>>>> Esta com os dias contados, pois sera atualizado ( hardware e soft).
>>>>>>>> Mas por enquanto tenho que ir levando como esta...
>>>>>>>> Tudo funcionava bem, ate que de uns dias pra ca começou a dar problema
>>>>>>>> na autenticação para envio de e-mails fora da rede ( ex celular), da
>>>>>>>> usuario e senha invalido para o smtpd.
>>>>>>>> Nos logs do postfix aparece isso na hora:
>>>>>>>> Feb 12 09:31:40 mail postfix/smtpd[333]: warning: 179.219.xxx.xxx:
>>>>>>>> hostname xxxx.virtua.com.br verification failed: Name or service not
>>>>>>>> known
>>>>>>>> Feb 12 09:31:40 mail postfix/smtpd[333]: connect from
>>>>>>>> unknown[179.219.xxx.xxx]
>>>>>>>> Feb 12 09:31:40 mail postfix/smtpd[333]: warning: SASL authentication
>>>>>>>> failure: Password verification failed
>>>>>>>> Feb 12 09:31:40 mail postfix/smtpd[333]: warning: unknown[xxx.xxx]:
>>>>>>>> SASL PLAIN authentication failed:
>>>>>>>>
>>>>>>>> Ja troquei a senha e nada, no webmail e no outlook na rede interna vai
>>>>>>>> tranquilo, de fora so recebe.
>>>>>>>>
>>>>>>>> Vim uma sugestao nesse topico: https://www.virtualmin.com/node/12960
>>>>>>>>
>>>>>>>> Well, the issue that appears to be occurring above looks like a
>>>>>>>> problem with Postfix talking to the saslauth daemon.
>>>>>>>>
>>>>>>>> I've seen that occur on older Ubuntu/Debian installs (in theory, that
>>>>>>>> should be corrected with the current install.sh script).
>>>>>>>>
>>>>>>>> However, to resolve it, run this command as root:
>>>>>>>>
>>>>>>>> usermod -a -G sasl postfix
>>>>>>>>
>>>>>>>> And then restart Saslauthd:
>>>>>>>>
>>>>>>>> /etc/init.d/saslauthd restart
>>>>>>>>
>>>>>>>> And then give it another shot, that should do the trick!
>>>>>>>>
>>>>>>>> -Eric
>>>>>>>>
>>>>>>>>
>>>>>>>> Poderia ser essa uma solução? Nao quis testar sem antes ter uma segunda
>>>>>>>> opiniao.
>>>>>>>> Obrigado.
>>>>>>>> _______________________________________________
>>>>>>>> Postfix-br mailing list
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>>>>>>>
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