> Squirrelmail runs on the same machine as postfix and sends mail fine
> when postfix is configured for smtps 465. I read smtps is deprecated
> so I switched postfix to submission 587 and changed the port in
> squirrelmail's config but squirrelmail will no longer send mail.
> Thunderbird sends mail fine over port 465 or 587. In squirrelmail I
> get:
>
> ERROR:
> Message not sent. Server replied:
> 0 Can't open SMTP stream.
>
> In the postfix log I get:
>
> [postfix/smtpd] connect from localhost[127.0.0.1]
> [postfix/smtpd] lost connection after UNKNOWN from localhost[127.0.0.1]
> [postfix/smtpd] disconnect from localhost[127.0.0.1]
>
> Does anyone know how to fix this?
I just read that squirrelmail doesn't work with STARTTLS. Is
deprecated SSL port 465 the only way to connect securely to a mail
server with squirrelmail?
> You haven't shown us much information... What are your settings for SMTP?
Here are my postfix settings.
master.cf:
submission inet n - n - - smtpd
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
main.cf
smtpd_sasl_auth_enable = yes
smtpd_sasl2_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
smtpd_recipient_restrictions =
permit_sasl_authenticated,
permit_mynetworks,
reject_unauth_destination,
permit
postscreen_greet_action = enforce
postscreen_pipelining_enable = yes
postscreen_pipelining_action = enforce
postscreen_non_smtp_command_enable = yes
postscreen_non_smtp_command_action = enforce
postscreen_bare_newline_enable = yes
postscreen_bare_newline_action = enforce
smtpd_tls_security_level = may
smtpd_tls_auth_only = yes
> Are you using TLS? If so, have you verified thunderbird (postfix) works
> with TLS or is actually really only working in plain.
I have thunderbird set to "Port: 587" and "Connection Security: STARTTLS".
If I set "Secure SMTP (TLS) : false" in squirrelmail, I get:
Authentication required
530 5.7.0 Must issue a STARTTLS command first
If I change port 587 to 25 in squirrelmail I get:
Bad sequence of commands
503 5.5.1 Error: authentication not enabled
- Grant
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