0
votes
0answers
23 views

Use greylisting only if SPF fails

I have noticed that more and more people using the DNS based SPF records and I want to enhance my spam filter. I am using SPF and greylisting after each other and my idea would be to use only ...
1
vote
1answer
121 views

550-Verification failed when forwarding email to some servers

I have a Postfix installed and working with SPF check and SRS-rewriting. When it forwards email for an external address, sometimes its smtp denies relaying the mail with the message: Relay access ...
1
vote
1answer
98 views

Spf passes or fails depending on receiver address

I have postfix with dovecot set up on Ubuntu 13.10. I send emails via a node application (using email-templates). If I send an email from noreply@mydomain.com to myacccount@gmail.com (email 1), the ...
0
votes
0answers
26 views

Spam - openrelays using our email addresses

Folks, I'm getting into trouble with spam filters on the internet. Our own email addresses are being used by spammers and replies are being sent back to us with notification about addition to ...
0
votes
0answers
100 views

Postfix Rackspace setup with SPF record always go to SPAM (neutral)

after a lot of fighting with the system I would like to know your guys opinion and solution. Idea is to have 1 mail server (centos postfix) at rackspace and have all the other cloud servers relay to ...
6
votes
4answers
865 views

Why does my mail get marked as spam?

I Have the server "afspraakmanager.be". It matches everything not to be a spam server.(it isn't by the way): it has reverse dns, spf,dkim,... . But hotmail marks it as spam. I think the problem is ...
0
votes
1answer
75 views

Should I put SPF checks before or after RBL checks in Postfix SMTP server?

I am setting up a Postfix SMTP server (pre v2.10) and was thinking to put the smtpd_recipient_restrictions as follows. smtpd_recipient_restrictions= permit_mynetworks, ...
2
votes
1answer
71 views

How to control the originating IPv6 of emails sent by postfix?

In a VPS with 2 IPv4 and 16 IPv6, I send emails with postfix. Each time, the email is sent from one of the IPs randomly Received: from domain.com (a random IPv6 out of my 16 IPv6) Thus, SPF fails ...
1
vote
1answer
224 views

SPF: softfail (domain of transitioning email does not designate 2a01:4f8:121:2062::2 as permitted sender)

I am seeing this SPF softfail for emails sent from my server, and I notice that 2a01:4f8:121:2062::2 is an IPV6 address. When I check 2a01:4f8:121:2062::2 it is translated as 0.0.0.2 ipv4, so that ...
3
votes
1answer
4k views

Why is Google rejecting mails forwarded from my Postfix server?

I've set up Postfix and created an alias that maps to a gmail account. When I mail from one of my own (google mail) accounts, it goes through, but if someone from the outside mails me, Google won't ...
3
votes
2answers
588 views

policyd-spf is rejecting mail with '?all' SPF records

One of our clients is getting mail rejected from one of his customers. The sender's SPF record is: v=spf1 +a +mx +ip4:12.34.56.78 ?all The mail is not originating from 12.34.56.78, but AFAIU the ...
0
votes
1answer
581 views

postfix mails goes to hotmail junk

I have a problem that I can't solve which is whenever I send an email from my mail server to Hotmail, it gets into the Junk folder. I'm using CentOS 6.3, SELINUX is disabled. Here are my named zone ...
0
votes
1answer
187 views

Mail is marked as spam although SPF and DKIM pass

I have configured Postfix to send mail from a dedicated server hosted let's on IP X.X.X.X and domain name example.com. DKIM, SPF always pass when I send mail locally from that host but still ends up ...
1
vote
1answer
955 views

How to correctly manage multiple virtual hosts with postfix?

I'm tring to correctly setup a postfix server for our products for a couple of days. The server is running correctly but some emails sended to gmail are delivered to spam box. The server is configured ...
0
votes
1answer
95 views

Checking SPF for outgoing mails

Is there any particular reason why I should not perform SPF checks for outgoing mails? I was reading on some articles that "you should not perform SPF checks for outgoing mails", why? I'm doing SPF ...
1
vote
2answers
346 views

How to force postfix to use ip that is configured for domain?

I want to confirm to SPF and DKIM, this requires me to send email using the IP written in the DNS record of the domain I have two domains example1.com and example2.com with two IPs 100.0.0.1 and ...
0
votes
2answers
558 views

Unable to send mail to hotmail from rackspace cloud

I'm having issue sending mail from postfix on a rackspace cloud instance for my domain. Hotmail says "550 SC-001 (SNT0-MC4-F35) Unfortunately, messages from 198.101.x.x weren't sent. Please contact ...
0
votes
1answer
130 views

spf issue postfix

Received-SPF: none (domain of deens1.chickenkiller.com does not designate permitted sender hosts) Received-SPF: pass (google.com: best guess record for domain of root@deens1.chickenkiller.com ...
6
votes
2answers
922 views

What are the correct SPF records to allow both local and Google Apps delivery

We have recently moved our server stack to a new data farm, and some of our clients are experiencing issues with mail being sent from their GApps accounts. Before the server move we had no issues, but ...
3
votes
1answer
662 views

Why is SPF being validated against my mail server's IP instead of sender's IP?

I have a mail server "example.com" which forwards all emails with recipient "me@example.com" to "me@gmail.com". My mail server runs Postfix and it uses the virtual_alias_maps mechanism to perform the ...
-1
votes
1answer
164 views

Postfix; Why did this email not get blocked?

Consider the following junk email received in which the recipient address is the same as the sender's address, but this users didn't send them self the email, it is junk mail; (All hostnames and IPs ...
0
votes
1answer
67 views

Rewrite header when no dkim header for specific domains

I have been receiving a lot of mails that are "From" my domain. These mails have usually a different return path (spf passes), but have for example my email in the to and the from header. ...
5
votes
3answers
2k views

PTR OK, SPF, DKIM passed but email messages are marked as Spam by Google?

# host 1.2.3.4 4.3.2.1.in-addr.arpa domain name pointer mail.domain.vn. # dig +short txt domain.vn "v=spf1 a mx ptr -all" # dig +short txt mail.domain.vn "v=spf1 a -all" Here's an email header ...
3
votes
1answer
877 views

Change Envelope From to match From header in Postfix

I am using Postfix as a gateway for my domain and need it to change or rewrite the Envelope From address to match the From header. For example, the From: header is "joe@domainA.org" and the Envelope ...
2
votes
2answers
2k views

Forward Mails to Gmail

I have a postfix mailserver running. Mails sent from users to Gmail are showing up in Gmail, so it works in general. Same for all other freemail hosts I know. The problem is that some users have no ...
2
votes
1answer
630 views

Mail classified as spam, but passes SPF and DKIM

I have configured Postfix to be responsible for subdomain.example.com (google apps is responsible for example.com so I didn't want to mix the two). As I mentioned in question title, SPF and DKIM ...
1
vote
2answers
167 views

Trying to configure email server for sending only

I need to install Postfix or Exim to be able to send emails from my web server's php code. I have a few questions hopefully I can find answers to: Could mail be rejected or sent to spam on ...
-2
votes
1answer
133 views

Need a good guide for setting up postfix

I will be sending mail from my machine (just sending, not receiving any) I'm looking for a good guide that will help me configure it with all the things that are required so that receiveing servers ...
2
votes
3answers
2k views

How to set SPF record?

I have configured postfix to use mail.example.com I have many virtual domains, like: domain1.com domain2.com domain3.com My question is, how to set the SPF? Do I have to set SPF for each domain ...
1
vote
1answer
1k views

why do i get an SPF Softfail?

I installed SPF on my LAMP server with postfix. But for some reason, I get this error Received-SPF: softfail (mta1070.mail.re4.yahoo.com: domain of transitioning www-data@websiteurl.com does not ...
2
votes
1answer
237 views

postfix Mail filters not running behind a controlled enviornment

I have deployed a postfix(2.6.6) server for email receiving. On this I have configured SenderID + SPF milter, by referring to http://www.postfix.org/MILTER_README.html The command that I used is as ...
0
votes
2answers
3k views

Yahoo flagging mail as spam when using relay server

I'm using Postfix to relay mail from my site to my mail server. Mail is received properly at my Gmail and Hotmail accounts - only Yahoo is the problem. The Yahoo mail headers state: Received-SPF: ...
0
votes
1answer
151 views

setting postfix internal SPF for incoming mails

I have setup a postfix mail server. I tried to setup SPF for incoming mail messages as mentioned here 'http://www.freesoftwaremagazine.com/articles/focus%5Fspam%5Fpostfix?page=0%2C1' but i am unable ...
1
vote
3answers
533 views

In SPF how do you authorize any server on my domains to send

I have multiple domains with multiple mailservers on each. they all send with the same return path address. so x@bounce.bouncesent.com for instance. I want to authorize any host on my domains ( ...