0
votes
1answer
50 views

Dns filezone setup with mx and spf

I am trying to create a mail server. I bought the domain mastermails.info on godaddy.com. I am struggling with the setup of DNS. Whenever I change something in the MX record to make my server ...
0
votes
1answer
144 views

Reverse DNS to match Sophos name, or mail server name

I think this is a simple question with a simple answer. Our domain, cory.co.uk, reports a DNS mismatch when you do and SMTP test on mxtoolbox.com. I think this is causing issues sending to some ...
0
votes
1answer
104 views

rDNS setup to prevent emails appearing as spam / phishing messages

We are trying to send email without the email appearing in the spam folder. The emails that we are sending is solicited bulk email. The main problem is that the emails are appearing as phishing ...
0
votes
1answer
85 views

Reverse DNS is finding someone else's domain

When I do a reverse DNS of my IP address I'm finding a different server name? This isn't my domain name. I was testing my mail server and it gave that warning. How do I fix it? $ nslookup Default ...
0
votes
2answers
485 views

Creating reverse DNS entries which resolve [duplicate]

Possible Duplicate: Reverse DNS - how to correctly configure for SMTP delivery I ran a DNS check and ended up with the following error: FAIL: Found reverse DNS entries which don't resolves ...
1
vote
3answers
456 views

Sending an Email from 2 Mail Servers

We are currently attempting to move away from using a "local" mail(exchange) server to an cloud based offering for all our automated emails. The problem is that we send and receive thousands for ...
0
votes
1answer
210 views

rDNS mx record problem, smtp test fails

down vote favorite I am doing test at mxtoolbox.com ptr: ip -> mydomain.com mx: mydomain.com ->myip but smtp:173.231.15.144 -> OK - myip resolves to myip.hosted.static.hostingfirm.com / Warning - ...
2
votes
3answers
379 views

DNS, should I be using A instead of CNAME?

I'm doing a big reshuffle of our websites and hosting, moving about 10 domains to a new server. In doing so I had to make some changes to the DNS, pointing all of the domains at the new server. ...
1
vote
2answers
1k views

dns mx record vs reverse dns

I need some help on clarification of the reverse DNS and MX record setup. I wasn't able to find definitive answer on google. The case is following. Say I have domain "mydomain.com", I have a SMTP ...
2
votes
4answers
207 views

Does sending e-mail in the name of customers increase the risk of being marked as spammer?

We are developing a SaaS website application that lets users send invoices to their clients. Ideally, these e-mails should appear to be originating from our customers, so the sender e-mail address ...
0
votes
2answers
155 views

EMail SMTP issue

I am running several websites on a Windows VPS that have "recommend this to a friend" type of emails. I get frequent bounces. The provider allows us to configure reverse DNS records for all the ...