0
votes
0answers
37 views

SPF record validation is pass but email is rejected by server [duplicate]

I have SMTP on a windows 2008 server with IIS6. The SPF recored is passed when I send emails to hotmail or gmail but it gets rejected on other servers claiming that there is problems with the SPF. ...
6
votes
2answers
241 views

Why is email being delivered normally despite an SPF “hardfail”?

I'm trying to figure out why forged email is being delivered to major email providers (gmail.com, outlook.com) even though email is marked with an SPF hardfail. The email is also delivered to ...
0
votes
2answers
46 views

Email flagget as spam or rejected by recipient mail server

I have configured smtp service on a windows 2008 server. All the emails sent by the smtp service are flagged as spam or they are rejected by the recipient of the email. In the header of the email I ...
0
votes
1answer
175 views

Configuring SPF, DKIM, Reverse DNS for VPS sending email through Google Apps SMTP servers

Today we realized that all of our emails being sent to email addresses of the type <username>@corporatedomain.com were getting rejected. I don't know who is hosting the email for ...
0
votes
1answer
174 views

SPF + ISP Smarthost, always untrusted?

One of the ways mail-servers protect themselves from spam is by SPF-records, a DNS look-up saying what ip-adresses are allowed to send mail from a given domain name. Another way the mail-servers use ...
2
votes
1answer
77 views

Is Sender Policy Framework (SPF) effective in preventing Phishing emails?

As defined in RFC4408, Sender Policy Framework only checks the envelope sender (aka MAIL FROM). The From: header is not being tested. As it is the value of the From: header which is usually displayed ...
0
votes
1answer
100 views

How is a sender verified with Gmail's 'Send Mail As' feature?

I have an email account info@example.com with mail.live.com . I also have a Gmail account. I have set up the 'Send mail as' feature in Gmail to send mail as info@example.com, and this works ...
0
votes
2answers
311 views

Outgoing mail through isp's smtp server is not getting delivered

What's the problem with the following emails? 1- Diagnostic information for administrators: Generating server: mailrelay002.isp.belgacom.be secretariat@lagereschoolbissegem.be [195.47.247.194] ...
1
vote
1answer
814 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
2k views

Gmail is blocking email from my application server

I'm getting the following in my mail logs on my app server: 550-5.7.1 [67.23.15.78] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use ...
1
vote
1answer
111 views

SPF: How are user@domain.com records verified?

I'm troubleshooting Google Apps marking valid messages as spam. In the message header: Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of ...
1
vote
2answers
122 views

Is there a common X-Header for RFC 2821 “MAIL FROM”? Should it be DKIM signed?

w.r.t. the difference between RFC2821 MAIL From and RFC2822 FROM I'm considering having my MTA add a header specifying what was sent in the MAIL FROM portion of the envelope. The RFC2821 header is ...
1
vote
1answer
628 views

SPF blocking some emails. How to complete disable it?

We have configured a SMTP server on IIS. We have not configured any SPF rule. Some emails are going straight to the badmail folder. Most of them have this error message: Address does not pass the ...
1
vote
1answer
315 views

Does an SMTP server have to have a public IP?

We have an SMTP server setup on an internal IP (10.x.x.x) that will send email to our customers. Since the server is inaccessible to DNS lookups from the outside, will this cause issues for sending ...
9
votes
1answer
97 views

What takes precedence: an SPF record with “-all” in the primary TXT record, or one in the “include” section?

Suppose I have a domain (company.com) with an SPF that looks like this: v=spf1 ip4:70.70.70.70 include:host.marketing.com -all and "host.marketing.com" looks like this v=spf1 ip4:8.8.8.8 ~all ...
0
votes
2answers
291 views

Media Temple, SPF, and Changing IP Addresses

OK...so I have a hosting account with Media Temple and recently had problems with mail servers marking my sent emails as SPAM. I looked into the issue and read it's a good idea to implement SPF which ...
1
vote
2answers
764 views

What should be the spf record for my domain?

I have my own registered domain. I have a dedicated IP for my domain. I use a shared hosting service for my website. I want to send mail with php's function mail();. I have created one email ...
10
votes
3answers
5k views

Do SPF Records For Primary Domain apply to subdomains?

I have a quick question regarding SPF records: Do they need to be present for all subdomains? Lets say that I have a TXT record with SPF info for domain.com Let's also say that I have a seperate ...
0
votes
3answers
174 views

Sending email from a 3rd-party-hosted server

We contracted with a 3rd party vendor to build and host a web application for us. The web app will need to send email notifications out to users when they request it. The application is not hosted ...
0
votes
1answer
448 views

How do I setup a SMTP ID to my server?

I am trying to increase email deliverability, from what I read, most important things I need to have set are SPF records, DKIM and sender ID, I set SPF and DKIM, but... "sender ID" is same as "SMTP ...
-9
votes
1answer
77 views

Help me to create a good SPF record for sunrisetranscription.net [closed]

I own a domain and would like to add SPF record into my DNS. I am not very techy. Are there any services that I can use that will help me generate my SPF record?
1
vote
3answers
1k views

SMTP host name vs. domain in “From:” address vis-a-vis Email Deliverability

I'm trying to implement (or make sure that I'm correctly following) email sending best practices to improve deliverability, but the role of the smtp server's host name vs the domain name of the From: ...
5
votes
5answers
823 views

SMTP server, SPF records, domainkeys

Recently we have setup a new SMTP server to send newsletters and promotional mails to our registered users. There are 5000 users who will receive newsletters on weekly basis. We are getting bounced ...
1
vote
4answers
705 views

SPF records for SMTP service

Please help me to create SPF record that will be helpful to validate my outgoing mail. Here is my server environment. We hosted an application at one hosting provider. Though he provided mail ...
0
votes
1answer
105 views

What is the best approach for setting up a good, secure smtp server on Debian?

Which server do you recommend? (postfix?) Which configuration for authenticating users for sending mail? Which setups for making it inbox friendly (dkim, spf, domainkey etc)? Is there some detailed ...
0
votes
1answer
299 views

Failed reverse DNS and SPF only when using Thunderbird!

I have a reverse DNS and SPF records correctly setup for my mail server. Sending webmail from it works perfect. The problem is when Thunderbird sends out emails, it is using the client's IP address ...
0
votes
2answers
1k views

Configure a SPF rule on Ubuntu

Where I can create/insert the SPF rules to allow a external server to authenticate and send e-mails using the domain name of my server running Ubuntu? I need to insert this rule: v=spf1 ...
2
votes
1answer
2k views

DNS zone file SPF configuration to support sending mail from multiple servers and gmail

I want to configure SPF on a domain to allow mail to be sent from: the x.com website server (x.com and www.x.com - both at same IP) its MX servers (smtp.x.com, mx.x.com, mail.x.com) another server ...
3
votes
2answers
990 views

SPF Setup - Sending from VPS and Google Apps

In follow up to my question here, how on earth do I setup a SPF record?!? I understand that I have to add a TXT record to my DNS entries but what to put in that TXT entry is what's confusing me... I ...
2
votes
2answers
295 views

E-mail duplication problem

I have taken out a hosting agreement with a well respected hosting provider for a couple of internet facing servers. We have deployed several applications to these servers which send various e-mails ...
2
votes
2answers
361 views

SMTP server on Win2008, SPF ecc

I want be able to send outgoing email from my website. I want to setup Win2008 smtp to be able to send them respecting all the spam rules. My checklist is: the smtp should be able to accept ...
2
votes
1answer
2k views

How do I configure MailEnable on Win 2k3 to allow Google to relay SMTP through it?

We use "Google Apps for Your Domain" for email, but wish to use our old email server for sending mail. The reason being that Google Apps SMTP is blacklisted by several of our partners as being ...