I have a new dedicated server running CentOS7 with Plesk 12.5 with postfix, and i have succesfully set SPF, DKIM, DMARC and DomainKeys as it shows this test from port25.com:
==========================================================
Summary of Results
SPF check: pass DomainKeys check: pass DKIM check: pass Sender-ID check: pass SpamAssassin check: ham
==========================================================
Details:
HELO hostname: s17772156.onlinehome-server.info Source IP: 217.160.108.200 mail-from: [email protected]
SPF check details:
Result: pass ID(s) verified: [email protected] DNS record(s): pixeldraw.net. SPF (no records) pixeldraw.net. 146 IN TXT "v=spf1 +a +mx +a:s17772156.onlinehome-server.info +ip4:217.160.108.200 ?all" pixeldraw.net. 146 IN A 104.27.131.21 pixeldraw.net. 146 IN A 104.27.130.21 pixeldraw.net. 146 IN MX 10 dc-7e1939e7-mail.pixeldraw.net. pixeldraw.net. 146 IN MX 15 dc-7e1939e7-mail2.pixeldraw.net. dc-7e1939e7-mail.pixeldraw.net. 146 IN A 217.160.108.200
DomainKeys check details:
Result: pass ID(s) verified: [email protected] DNS record(s): default._domainkey.pixeldraw.net. 300 IN TXT "p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDo4L1i8d6w2Ha/0WQeYZGO4AiRsklou5TmD5evr/qm30I+sShcNIFV1/Iwp5pQ+u1Sb3fdvygjnX/M64E10phErjKuTkdytZQMK8iG4umB21V9qodSbqhAjvpKWE1XVS3aQNOtX83AynGSvJqSfPwetea7JOCkrnmrl/JZtq+Z1wIDAQAB;"
DKIM check details:
Result: pass (matches From: [email protected]) ID(s) verified: header.d=pixeldraw.net Canonicalized Headers: date:Sat,'20'28'20'Nov'20'2015'20'09:40:52'20'+0100'0D''0A' from:pixel'20'draw'20'solutions'20''0D''0A' to:[email protected]'0D''0A' subject:=?UTF-8?Q?Presupuesto_dise=C3=B1o_web?='0D''0A' dkim-signature:v=1;'20'a=rsa-sha256;'20'c=relaxed/simple;'20'd=pixeldraw.net;'20's=mail;'20't=1448700052;'20'bh=Ri2xCyysAfo3Wyf+vvBIZr/qPlV0rS9rO2/aGNmpjWI=;'20'h=Date:From:To:Subject;'20'b=
Canonicalized Body: Hola'20'Christian,'0D''0A' '0D''0A' '0D''0A' '0D''0A' Una'20'web'20'sencilla'20'de'20'presentaci'C3''B3'n'20'te'20'costar'C3''AD'a'20'220'20'euros'20'+'20'IVA'20'con'20'hasta'20'5'20''0D''0A' secciones,'20'una'20'galer'C3''AD'a'20'foto,'20'un'20'formulario'20'de'20'contacto,'20'con'20'dise'C3''B1'o'20''0D''0A' gr'C3''A1'fico'20'incluido'20'como'20'banners/ofertas,'20'mapa'20'google,'20'dominio'20'y'20''0D''0A' alojamiento,'20'tutorial'20'administrativo,'20'c'C3''B3'pias'20'de'20'seguridad.'0D''0A' '0D''0A' '0D''0A' A'20'esta'20'web'20'si'20'le'20'quieres'20'a'C3''B1'adir'20'una'20'tienda'20'te'20'costar'C3''AD'a'20'60'20'euros'20''0D''0A' adicionales'20'con'20'hasta'20'20'20'productos'20'introducidos'20'por'20'nosotros'20'(sin'20'l'C3''AD'mite'20''0D''0A' de'20'productos).'0D''0A' '0D''0A' Quedo'20'a'20'tu'20'disposici'C3''B3'n'20'para'20'cualquier'20'consulta,'0D''0A' '0D''0A' '0D''0A' ---'0D''0A' pixel'20'draw'20'solutions'0D''0A' +34'20'622572818'20'-'20'www.pixeldraw.net'0D''0A'
DNS record(s): mail._domainkey.pixeldraw.net. 300 IN TXT "v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+Lim9Q4c5hyrbwnohpdU4LIVc8Y4skHESPq6fjhJEKT4Pq85nxt3GXLMbXZMyBLtYJVZSwyoIm+XmiotNwqv66t35skC4QCWrMEK8x9K4VZZK8tW/BVg5zOh4W4xH1Dlp52pidkC4JZzhJAjP0VSMW3/H3HlhCQoUoxleb/zKPQIDAQAB;"
Public key used for verification: mail._domainkey.pixeldraw.net (1024 bits)
NOTE: DKIM checking has been performed based on the latest DKIM specs (RFC 4871 or draft-ietf-dkim-base-10) and verification may fail for older versions. If you are using Port25's PowerMTA, you need to use version 3.2r11 or later to get a compatible version of DKIM.
Sender-ID check details:
Result: pass ID(s) verified: [email protected] DNS record(s): pixeldraw.net. SPF (no records) pixeldraw.net. 146 IN TXT "v=spf1 +a +mx +a:s17772156.onlinehome-server.info +ip4:217.160.108.200 ?all" pixeldraw.net. 146 IN A 104.27.131.21 pixeldraw.net. 146 IN A 104.27.130.21 pixeldraw.net. 146 IN MX 10 dc-7e1939e7-mail.pixeldraw.net. pixeldraw.net. 146 IN MX 15 dc-7e1939e7-mail2.pixeldraw.net. dc-7e1939e7-mail.pixeldraw.net. 146 IN A 217.160.108.200
SpamAssassin check details:
SpamAssassin v3.4.0 (2014-02-07)
Result: ham (-2.0 points, 5.0 required)
pts rule name description
0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: pixeldraw.net] -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature