-1
votes
1answer
46 views

GMail detecting mail as spam

I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is ...
4
votes
3answers
84 views

Will mailing lists “break” if SPF is too restrictive?

I have recently configured my own mail server (Linux-based postfix + dovecot scenario). This is just for personal use - I have no bulk mail going out, no automatically generated mail outbound from the ...
0
votes
2answers
73 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
385 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 ...
1
vote
2answers
142 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 ...
4
votes
1answer
302 views

Does DKIM works with subdomains?

ISP's recommend you segment your marketing and transactional emails by using different IPs. I want to start using DKIM, but since DKIM is a domain based reputation system I wonder if signing with the ...
1
vote
1answer
103 views

DKIM sign any outgoing mail as the same domain. is possibly?

I have a website, and the users recommend via email to another persons, so the mail come from my site, but I need to appear the user as sender, but "via" mydomain. The logically and what lists ...
1
vote
2answers
680 views

postfix not reporting FROM address to opendkim

I am trying to setup an DKIM email signing for a postfix SMTP server. This server is to be used by different services on the local network. I have generated DKIM key pair, added it to my domain and ...
3
votes
1answer
68 views

What is the benefit of using DKIM to sign Content Type?

DKIM has the ability to sign headers on a per-header basis. I looked at Google's headers, and they DKIM sign ContentType. What is the security benefit of signing ContentType?
1
vote
1answer
3k views

How to setup X-SID , X-AUTH & X-DKIM at windows server 2008 r2 with IIS 7.5

I am very sad that my legit emails drops to spam box while i receive many spam emails into my inbox. I very rarely send announcement emails to my all registered members (over 400k right now) but most ...
0
votes
3answers
191 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
475 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 ...
1
vote
1answer
1k views

How to add DKIM feature to the IIS 7.5 - Windows Server 2008 - DomainKeys Identified Mail

How to add DKIM feature to the IIS 7.5 - Windows Server 2008 DomainKeys Identified Mail
1
vote
1answer
533 views

DKIM for email through Google Apps domain with external outbound relay

I'd like to enable the new Domain Keys DKIM email authentication feature for a domain hosted in Google Apps. Some of my users use an external SMTP gateway (such that when they send email, it doesn't ...
0
votes
1answer
683 views

DKIMPROXY signing wrong domain

Just.... wont sign a thing... The dkimproxy_out.conf: # specify what address/port DKIMproxy should listen on listen 127.0.0.1:10028 # specify what address/port DKIMproxy forwards mail to relay ...
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 ...
1
vote
1answer
626 views

Replacement for windows SMTP server that supports DKIM signing

Can you recommend a SMTP server/component to replace the SMTP service that is available in Windows Server 2008. I would like the SMTP server to support the same feature set as the built in SMTP ...
2
votes
2answers
371 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 ...
3
votes
1answer
9k views

Yahoo Domain Keys setup, getting dkim=permerror (no key)

I'm working on getting DKIM installed on my outgoing mail server, to help my email deliverability to my Yahoo clients (all legit emails, etc, no spamming). I've got DKIM-Signature: and ...