SaaS ideas your next customers are already looking for
100 SaaS startup ideas for the people who said they'd pay, from agency owners to dentists. Micro SaaS ideas, AI SaaS ideas and B2B SaaS ideas: find yours, build it, sign them up.
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Pain points in business: what people struggle with
Search the problems to solve, as people described them on Reddit and other platforms, in their own words.
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Emails Landing in Spam
Legitimate and transactional emails silently land in spam or get blocked, and senders lack tools to diagnose, monitor, and recover deliverability at scale.
In their words
I feel like I'm flying blind between campaigns... something that doesn't just monitor the problem but helps me do something about it.
We've been experiencing a low deliverability issue since late 2024.
For every hiccup in setup or deliverability or placement, I'm Googling what tools to use and how to fix. If I can get it all in one place, I know it sounds too much but, is there any?
Waiting until reply rates go down to realize that you're blacklisted silently kills your revenue stream.
Do you give deliverability assurance? If yes, then I will not only try but pay you. Make me your customer.
Every few weeks, my open rate will drop from the typical 60-70% to 40% at random, then return to normal the next week.
I've spent hours convincing 2 local business they can't email us because they haven't set up SPF/DKIM/DMARC.
We've had so much difficulty in 2026 to get great email deliverability to Outlook accounts
HubSpot had a 47.7% inbox placement and 44.1% spam. HubSpot was also on 7 blocklists and is marked as spam in Google.
They don't have SPF set up properly on some of their mail servers, which causes mail from them to fail authentication and get caught in our quarantine.
I can't login there without getting emailed a code and our email is down because the name server is down.
I always (without fail) will get at least one or two spam reports per month.
You are blocked, we won't or can't tell you why, nothing in the mail management system shows you any problems
I've been spending too much time calling people and telling them to check their spam folders.
Email senders and marketers
Where they talk
- r/emaildeliverability
- r/Emailmarketing
- r/sysadmin
- r/EmailSecurity
- r/SaaS
- r/gohighlevel
- r/Coldemailing
- r/coldemail
Tools they use today
- DKIM
- SPF
- Google Postmaster Tools
- Google Workspace
- Klaviyo
- MXToolbox
- GoHighLevel
- Instantly
Why those fall short
- Big providers are blackboxes; authentication does not oblige them to accept mail.
- Whitelisting does not override Proofpoint; vendors cannot sign DKIM or know SPF
- can't log in without emailed code; email down due to DNS
- checkers only query TXT at _dmarc, miss coexisting CNAME
- Consultants send boilerplate or AI-generated instructions without understanding domain alignment.
Map of ideas
Drawing the map…