0
votes
1answer
1k views

What is wrong in my DKIM setup? I'm getting all fails

I own a domain name I have implemented SPF and DKIM to avoid my mails being junked. I have also upgraded to DMARC in monitor mode. Since I received a few failure reports recently I wanted to ...
2
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1answer
2k views

Amazon SES domain verification TXT DNS record

I currently am trying to get my domain verified on Amazon's SES and running int a problem that google searches are not helping me get any closer to solving. According to SES, I have to create a TXT ...
1
vote
2answers
3k views

How do I enter a strong (long) DKIM key into DNS?

I'm trying to enter a 4028 bit DKIM key into DNS and it seems that I'm exceeding both the UDP 512 byte limit and also the maximum record size for a TXT record. How does someone properly create a ...
1
vote
1answer
518 views

What are the right reverse PTR, domain keys, and SPF settings for two domains running the same application?

I just read Jeff Atwood's recent post on DNS configuration for email and decided to give it a go on my application. I have a web-app that runs on one server under two different IPs and domain names, ...
6
votes
2answers
450 views

What are DNS TXT records and why are they needed

I am creating a server with a primary nameserver and mutliple domains. Do i need to make TXT records for all the domain, they all have there own email, but use the mailserver from the primary. EDIT: ...