33
votes
How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails?
At its root, this is a problem about verifying ownership of an email address, and as far as I know there are only two ways to practically verify ownership of an email address:
Send a verification ...
- 15.8k
21
votes
Accepted
Is there any list of email addresses reserved because of security concerns for any Public Email Service like Gmail / Yahoo?
Here is a list of addresses that you may want to treat as reserved:
abuse 1,4
admin 2,3,4
administrator 2,3,4
hostmaster 1,2,3,4
info 1,3
is 3
it 3
list 1
list-request 1
majordomo 4
marketing 1
mis 3
...
- 98.4k
13
votes
How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?
In short: you can't.
Answer depends on the definition of "bots", but if a bot can crawl the e-mail, the bot can hit the link. A bot doesn't necessarily respect robots.txt, or mentioned html ...
- 131
10
votes
Is there any advantage using separate domain for mails?
One purpose is to help protect domains from incidental spam. A good practice by many large companies that have emails generated by users (either directly or via actions taken online) is to have the ...
- 10.2k
10
votes
Accepted
How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?
Incorrectly used meta tags
Instead of using two meta tags, you should put both values into a single tag. With two tags, some search engines may choose to obey only one of the two.
<meta name="...
- 98.4k
9
votes
Accepted
Does it really help against spam to replace the "@" with "(at)" and similar practices?
Yes, different email obfuscation methods do work with varying degrees
of success.
But each has to be weighed with whether they affect the ability for your customers to communicate easily with you. I ...
- 1,079
9
votes
Accepted
Why is google.com trying to send emails from my domain?
Short Answer: You're seeing internally routed emails in your DMARC reports, for recipient domains hosted on Google GSuite.
From the screenshot you share, it seems like these emails sent from Google ...
- 490
8
votes
How to get whitelisted in microsoft's email network?
The deep link to get whitelisted for Microsoft's email network is:
http://go.microsoft.com/fwlink/?LinkID=614866&clcid
This gives you the form "Sender Information for Outlook.com Delivery"
- 181
8
votes
How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails?
There is not much you can do to avoid verification mails (in case you actually need to store and verify mails at all, of course): if you display it to users or sent mails to that address, you better ...
- 209
7
votes
How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?
Not only can you not ensure it, it's highly likely that the link will be retrieved by programs not under the user's control. Many spam and phishing filters will pre-fetch any web pages linked to in ...
- 236
6
votes
Accepted
DMARC -- understanding aggregate reports
Are these reports something that can be acted upon?
Yes, but most of the information will hopefully be confirming all is OK with your configuration.
How Should DMARC reports such as these be acted ...
- 2,963
6
votes
Why am I getting foreign language spam with nothing to sell nor any links in the email?
I can't claim to know all the motivations of spam bots, but the main motivation is creating links to help SEO. Most of the bots submitting this form don't even realize that it is a contact form. ...
- 98.4k
5
votes
How to forward emails to my custom domain to my Gmail account?
Simple solution: Use http://improvmx.com/ and then set your MX records and you are done.
- 151
5
votes
Are webmaster accounts required for non-email domains?
As specified by the Internet Engineering Task Force (IETF) Request For Comments (RFC) #2142, the proposed standards are specified.
Link here:
If your domain uses DNS, HTTP and SMTP, then you should ...
- 51
5
votes
Accepted
Is it considered spam to set "From: " header to the user's email in a contact form?
Using the user's email address as the 'from' address in a form notification email is not a good idea because it will trigger many spam filters due to a "spoofed" sender. There are two systems which ...
- 178
5
votes
MxToolbox says dmarc DNS record is not found despite having one configured with NameCheap
According to Namecheap's documentation on TXT records:
Note: the domain name itself should not be included to the Host field.
Consequently, enter
dkim._domainkey instead of dkim._domainkey....
- 151
5
votes
Are .xyz domains usually blocked by mail servers?
What I'm more concerned is if I'd get blocked by mail servers since .xyz was also used for lot of spam mail and what not.
You can not control what/how others configure their email systems.
Various ...
- 8,325
5
votes
Accepted
Mission critical transactional email
What techniques can you suggest to improve deliverability?
Change paradigm.
E-mail can fail for so many reasons. Deliverability cannot be guaranteed. Tracking is missing.
An idea: save the form ...
- 1,063
4
votes
Accepted
Fixing my mail servers outgoing IP being on spam blacklists
Don't bother getting that IP off those lists. Too much effort, outcome uncertain, and no guarantee for the future.
How much mail do you send? Is that hundreds of mails per months, or tens of ...
- 156
4
votes
Accepted
Does pointing an MX Record to a server allow it to send mail as well?
MX records have nothing to do with sending mail.
Anybody can send mail that appears to come from your domain. DNS records can now be used to authenticate official mail sending servers. The ...
- 98.4k
4
votes
How to create email address which not affect when servers changing?
Use some sort of 3rd party DNS hosting provider. Someone above mentioned your Registrar (Dynadot, GoDaddy, etc) but you can also use something like CloudFlare as well.
When you change hosts, you ...
- 757
4
votes
GDPR - Kills email marketing, How can I do email marketing under GDPR?
It sounds like the problem here is people are already not very engaged with your emails. I see two approaches to reach your audience before the deadline:
Send another email, but make it engaging. ...
- 1,920
4
votes
Getting Gravatar to appear in email Inbox
I think I should clarify an erroneous misconception you may have about Gravatar. Gravatar isn't for displaying an avatar next to your email address, rather it is for associating an avatar with your ...
- 10.2k
4
votes
Prevent gobbledegook submissions to web contact forms
I think pspell is the wrong approach: misspellings can and do happen -- and of course there are words like proper nouns that even if spelled correctly might trigger an error in pspell.
We had a ...
- 181
4
votes
Accepted
How to find the DKIM selector without being the owner of the domain?
I assume your client has sent an email to you at some stage, in the headers search for ‘DKIM-Signature’ to find the DKIM signature applied to the message.
This DKIM-Signature contains an attribute ‘s=’...
- 8,418
4
votes
Accepted
Yahoo rejecting email after registrar change
The problem could be IP reputation. The message is rather clear. The specific IP address (209.182.201.150, I assume it's your mail server) is being rejected.
Plus, that IP address is present in at ...
- 1,063
3
votes
Accepted
Fake Bounce Spam Emails in Gmail - Are These Really That Fake?
Looks like someone is spoofing your [email protected] address.
This line shows a spam relay server:
Diagnostic-Code: smtp;554 resimta-ch2-11v.sys.comcast.net comcast 23.227.123.207 found on one or ...
- 146
3
votes
Sent emails pass SPF and DKIM, but fail DMARC when received by Gmail
The issue is caused by inconsistent between return-path and header From:.
Return-Path: mandrillapp.com
From: @seesawsf.com
SPF and DKIM check the domain using RFC5321.MailFrom (generally Return-...
- 31
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