All Questions
141
questions
0
votes
0
answers
119
views
Outgoing e-mail from Exim server is rejected by Hotmail
I am trying to send e-mails from an account using the webmail interface. When sending the test to a hotmail account, it is rejected immediately.
To investigate the issue, I used https://mxtoolbox.com/...
- 327
1
vote
1
answer
3k
views
Postfix not sending to gmail [added spf & dkim]
Hello i've been struggling for a while now. I will give all the details i can.
OS: Ubuntu 20.04
Server: DigitalOcean (Droplet)
Domain Registrar: Namecheap
I hope i did not change up somethings with ...
- 11
1
vote
1
answer
69
views
Resolving DNS & MX Records
I am new to the community and I really need your assistance to resolve some complicated issues with DNS/MX Records.
My client's website is designed and hosted in Wix with mydomain.com and pointing to ...
0
votes
0
answers
44
views
Reverse DNS and ping report wrong hostname
I needed to setup reverse DNS for our mailserver, for obvious reasons. Having done so for 1.1.1.1 > mail.example.com I expected to be able to do
$ nslookup 1.1.1.1
1.1.1.1.in-addr.arpa name = mail....
- 21
0
votes
0
answers
1k
views
MX record (out of zone) has no addresses records (A or AAAA)
I have a problem with my zone config file, I hope someone can help me.
I am trying to add MX record for a subdomain that we use for Microsoft 365 ecosystem
I entered an MX record that was given to me ...
- 1
1
vote
0
answers
330
views
Which IP address does SPF validate?
Should SPF validate the SMTP server address or the home PC address?
I have a situation where a home PC is sending mail through the ISP's SMTP server. The email address has a personal domain, used only ...
- 149
0
votes
0
answers
107
views
DNS records: Save emails in two different mail servers depending of the subdomain
I'm using Namecheap Web hosting with cpanel, I want the emails sent to domain.tld to be saved into the Namecheap's Private Email (non cpanel), and the emails sent to sub.domaim.tld saved to the cpanel ...
user1188085
0
votes
1
answer
416
views
Some emails sent out of our ERP are not being received
A few of our customers have been reporting not receiving some of the emails sent from our ERP (NetSuite) and they are not even in their spam folder. It shows correctly being sent on our side.
We have ...
- 103
0
votes
1
answer
1k
views
I can send E-Mails but not receive E-Mails.. | CentOs - Docker - poste.io
I run a Server on CentOs 7 with FirewallD, on there i run Docker with Poste.io Mailserver. (SQLite, Dovecot, NGiNX, Haraka, RSPAMD, ClamAV, Roundcube, Z-Push)
Soo my problem is i can´t receive E-...
0
votes
1
answer
73
views
How does SPF protect against email spoofing in case of a spoofer claiming the mail was relayed to him from a third party?
SPF records whitelist legitimate mailservers in the DNS record. Incoming mail servers reject mails whose outgoing mailserver is not on the whitelist. But what is preventing a spoofer from creating a ...
- 137
9
votes
5
answers
9k
views
Mail client sender icons
Why do email clients (for example, Windows Mail) display icons (sender pictures) from several companies?
As you can see, Microsoft, Tubmlr, Paypal provide pictures, as well as Go Daddy, Amazon, ...
- 191
1
vote
0
answers
71
views
Incoming email stops working after website migration of G Suite from a shared hosting environment to a Digital Ocean VPS
I was using Google’s G Suite for my company email address from shared hosting. Recently I have changed my web hosting to Digital Ocean (VPS). So the email stopped working with the new server.
I just ...
- 11
-1
votes
1
answer
216
views
Port 25 not open, how send email? [closed]
I have client that email is ######@example.com
I tried to send email, but it does not work
I ran dig against example.com
example.com. IN MX
;; ANSWER SECTION:
example....
0
votes
0
answers
62
views
Some email providers not receiving email
Good day,
I set up SMTP server I am using sendinblue SMTP also I checked my email score with https://www.mail-tester.com/ and scored 8.9 from 10.
I lose 1.1 point on reverse DNS but I think I just ...
- 1
1
vote
1
answer
859
views
How to install autodiscover redirect for Exchange(?)
I'm seriously confused about a client's request. Actually the request comes from another IT service provider (I'm replacing the actual domain with example.com / example2.com).
Create a subdomain ...
