[pfx] Allow just two sending domains through our Postfix relay server

Dear, we have a Postfix SMTP relay server, and we have to allow just two sending domains to Internet through it: domain-1.com (this is the domain mail system defined in /etc/mailname) domain-2.com (this is another domain which can use the relay server) How can I do that? Which main.cf lines do I

Re: DMARC usage opinion

Thanks to all of you.I'll try DMARC with p=none some days and in this way I can analyze the behaviour of this mechanism. Regards !!! El mar., 17 dic. 2019 a las 14:11, Chris Wedgwood () escribió: > > DMARC policy is best avoided unless you're a bank, or other brand > > that is concerned abou

Re: Mail queue with 110.000 mails

Dear, thanksis it possible that the STARTTLS settings slow down mail processing? In this mail relay server, the connections as "client" to the corporate mail server are always encrypted with the TLS, with the corresponding negotiation. Thanks and I will analyze all you said. Thanks to all. R

Re: TLS support for Postfix server on port TCP/25

Sorry but why do you suggest yo use port 587 for TLS optional for auth + data , and not port 25 for the same proposal, if the goal is using TLS if possible? Thanking un advance. El 13 mar. 2017 5:18 PM, "Viktor Dukhovni" escribió: > On Mon, Mar 13, 2017 at 04:49:23PM -0300, Jeronimo L. Cabral w

Re: IDN domain name support

world and it's not good !!! Any comment ??? 2010/5/27 Brian Evans - Postfix List : > On 5/27/2010 2:29 PM, Alejandro Cabrera Obed wrote: >> Dear all, I've just made a test from Gmail and my Thunderbird mail >> client sending a mail to a non-real IDN mail user: &g

Re: IDN domain name support

lementation in this bad situation. What do you think about this matter ??? Really thanks 2010/5/26 Wietse Venema : > Alejandro Cabrera Obed: >> Wietse, thanks...but in Postfix I have to work with the ?o?o.com.ar >> domain name or with the xn--oo-yjab.gov.ar punycode domain name ??

Re: IDN domain name support

-yjab.gov.ar required ? The same for the Maildir paths, do they have to be under: /var/vmail/ñoño.com.ar/user/Maildir or /var/vmail/xn--oo-yjab.gov.ar/user/Maildir Thanks a lot Alejandro 2010/5/26 Wietse Venema : > Alejandro Cabrera Obed: >> Dear all, I live in Argentina a

Re: IDN domain name support

So I can create IDN domain names in my Postfix, and now my unique objective is ensure that mail clients (MUA's) work with IDN names and anymore ??? Thanks again Alejandro 2010/5/26 Victor Duchovni : > On Wed, May 26, 2010 at 03:11:41PM -0300, Alejandro Cabrera Obed wrote: &

IDN domain name support

Dear all, I live in Argentina and now we can use the Ñ letter in our domain names. I have a mail system conformed with Debian Lenny / Postfix 2.5.5-1.1. My question is this: Does Postfix 2.5.5-1.1 support IDN domain names in case I create a @ñoño.com.ar domain ??? Or is it a problem inherent only

Postfix with SASL Authentication against LDAP

Dear all, I have a Debian Etch + Postfix 2.3.8 mail server with LDAP 2.3.30. TLS encryption work succesfully but SASL authentication don't. I have these: apt-get install sasl2-bin libsasl2-modules /etc/default/saslauthd: START=yes MECHANISMS="ldap" MECH_OPTIONS="" THREADS=5 OPTIONS="-c -m /var/s

SMTP authentication against LDAP

Dear folks, I have a Postfix mail server and I want to perform SMTP authentication mail client with user/pass from a LDAP server, over TLS. In Postfix's main.cf I have this: ldapvirtualmap_server_host = 192.168.0.9 ldapvirtualmap_server_port = 389 ldapvirtualmap_bind = no ldapvirtualmap_search_b