How Can CRM Features Boost Your Team's Productivity?
Exploring how CRM features can significantly enhance your team's productivity by optimizing workflows and improving customer interactions.
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2026-09-01
Solution example Security
Fake invoices and “boss” emails no longer get through
DMARC in reject mode, warnings on look-alike domains, 2FA for everyone and a 30-minute training with real examples from your inbox.
- Client
- Typical client: accounting office with 12 people
- Timeline
- 1–2 weeks
- Year
- 2026
- SPF · aligned
- DKIM · signed
- DMARC · p=reject
- 2FA · 12 of 12 people
- Look-alike domain: tansecvre.com
p=reject
DMARC policy
100%
accounts with 2FA
30 min
training on real examples
This is a solution example: it shows how we would build it for a typical client. The figures are targets we agree on before the work starts, not results of a specific client.
Before and after
BeforeAfter
Mail “from” your domainBefore Anyone can forge themAfter Rejected by receivers
Look-alike domainsBefore Look like a partnerAfter Marked with a warning
AccountsBefore Password onlyAfter 2FA and a password manager
The problem
An employee almost paid an invoice from a domain that differed by one letter. Clients' bank data and documents pass through the mail every day.
How we solve it
- 01DMARC moved step by step to reject: nobody can send mail as your domain
- 02Banner on external mail and alerts for look-alike domains
- 032FA and a password manager for every account
- 04Training: how to check a sender and a bank account in 30 seconds
How it works
In
External mailStaff accountsMail protection
DMARC, banners, 2FA
Result
Forged mail rejectedTrained teamHow the work goes
- 11 day
Check
Who sends mail as your domain today and what reaches staff.
- 21–2 weeks
DMARC step by step
Monitor → quarantine → reject, without losing legitimate mail.
- 31 day
People
2FA for everyone and a short training on your own examples.
What the client gets
- Forged mail from your domain is rejected
- Suspicious letters are marked before anyone opens them
- The team knows the 3 checks before paying
Technologies
- DMARC
- Microsoft 365 / Google Workspace
- Bitwarden
- PMG
Related services
What we need from you
Everything else is on us. You see progress after each stage and pay after accepting it.
- Access to DNS and the mail admin panel
- A list of services that send mail as your domain
- 30 minutes of the team's time for training
Want the same for your business?
Describe the task in your own words. We'll reply with questions or a plan and name the price and deadline before we start.
More cases
All cases →mail-check tansecure.com
- SPF ✓ pass
- DKIM ✗ missing → ✓ signed (s=mail)
- PTR ✗ mismatch → ✓ matches HELO
- Relay ✗ open for gmail.com → ✓ closed
- DMARC ✓ p=quarantine
- mail-tester: 9/10 → 10/10
Our project Security
Replies stopped landing in spam: mail-tester 9/10 → 10/10
Gmail put our replies to clients into spam. We found three causes in the mail chain and fixed them in a day.
10/10mail-tester score
Read the casescan shop.example.com
- wp-content/uploads/x.php ✗ backdoor
- users: admin2 (fake) ✗ removed
- redirect → casino.* ✗ removed
- plugins outdated: 7 ✓ updated
- firewall + 2FA ✓ on
- Google warning: review requested
Solution example Security
Hacked store: cleaned, closed and back in Google within days
Redirects to spam sites, a red warning in Chrome and lost orders. We remove the malicious code, close the hole and ask Google to lift the warning.
same daywe start the cleanup
Read the case1 284
spam blocked this week
37
phishing attempts stopped
Solution example Security
A spam filter in front of the company mail: 30–80 mailboxes protected
Proxmox Mail Gateway stops spam, phishing and infected attachments before they reach the mail server; staff release false positives themselves.
30–80mailboxes behind one filter
Read the case
