# Abnormal AI, Proofpoint Adaptive Email Security vs Proofpoint Core Email Protection Comparison

| | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Star Rating** | 4.8 out of 5 | 4.6 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 73 | 45 | 584 | 
| **Largest Market Segment** | Enterprise (50.0% of reviews) | Mid-Market (57.8% of reviews) | Enterprise (65.9% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | Free Trial 0 Mailbox Per Year | 

---
## Top Pros & Cons

### Abnormal AI

Pros:
- Ease of Use (15 reviews)
- Customer Support (12 reviews)

Cons:
- Email Filtering Issues (3 reviews)
- Email Issues (3 reviews)

### Proofpoint Adaptive Email Security

Pros:
- Customer Support (1 reviews)
- Ease of Use (1 reviews)

Cons:
- Expensive (1 reviews)

### Proofpoint Core Email Protection

Pros:
- Protection (88 reviews)
- Email Security (81 reviews)

Cons:
- Outdated Interface (28 reviews)
- User Interface (24 reviews)

---
## Ratings Comparison
| Rating | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
  | **Meets Requirements** | 9.3 (48 reviews) | 9.1 (34 reviews) | 9.3 (275 reviews) | 
  | **Ease of Use** | 9.7 (48 reviews) | 8.8 (35 reviews) | 8.5 (514 reviews) | 
  | **Ease of Setup** | 9.5 (47 reviews) | 8.8 (31 reviews) | 8.3 (457 reviews) | 
  | **Ease of Admin** | 9.5 (44 reviews) | 8.8 (30 reviews) | 8.5 (243 reviews) | 
  | **Quality of Support** | 9.5 (48 reviews) | 8.9 (35 reviews) | 8.8 (271 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.4 (44 reviews) | 9.3 (29 reviews) | 9.2 (239 reviews) | 
  | **Product Direction (% positive)** | 9.5 (43 reviews) | 8.9 (32 reviews) | 9.2 (263 reviews) | 

---
## Pricing

### Abnormal AI

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Proofpoint Adaptive Email Security

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Proofpoint Core Email Protection

#### Entry-Level Pricing

Plan: Proofpoint Core Email Protection

Price: Free Trial 0 Mailbox Per Year

Key Features:
- Core Email Protection

[Learn more about Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews)

#### Free Trial

Yes

---
## Features Comparison By Category

### Data Loss Prevention (DLP)

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | N/A | N/A |
| **Proofpoint Adaptive Email Security** | 8.6/10 | 14 |
| **Proofpoint Core Email Protection** | N/A | N/A |

#### Administration

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Data Management** | Not enough data | 8.5 (9 reviews) | Not enough data | 
| **Incident Logs** | Not enough data | 8.6 (11 reviews) | Not enough data | 
| **Reporting** | Not enough data | 8.2 (14 reviews) | Not enough data | 

#### Governance

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Access Control** | Not enough data | 8.8 (10 reviews) | Not enough data | 
| **Compliance** | Not enough data | 8.8 (10 reviews) | Not enough data | 
| **Data Visibility** | Not enough data | 8.9 (11 reviews) | Not enough data | 

#### Security

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Encryption** | Not enough data | 8.7 (9 reviews) | Not enough data | 
| **Endpoint Intelligence** | Not enough data | 8.5 (8 reviews) | Not enough data | 
| **Activity Monitoring** | Not enough data | 8.8 (13 reviews) | Not enough data | 
| **Breach Detection** | Not enough data | 8.3 (11 reviews) | Not enough data | 

### Cloud Email Security

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | 8.6/10 | 37 |
| **Proofpoint Adaptive Email Security** | 8.7/10 | 18 |
| **Proofpoint Core Email Protection** | 8.9/10 | 147 |

#### Administration

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Intelligence Reporting** | 8.9 (33 reviews) | 8.4 (16 reviews) | 8.9 (125 reviews) ✓ Verified | 
| **Email Integration Suppor** | 9.5 (33 reviews) | 9.0 (16 reviews) | 9.1 (129 reviews) ✓ Verified | 
| **Access Management** | 9.0 (32 reviews) | 8.7 (15 reviews) | 9.0 (122 reviews) ✓ Verified | 
| **Data Loss Prevention** | 7.0 (27 reviews) | 8.7 (14 reviews) | 8.4 (83 reviews) ✓ Verified | 

#### Maintenance

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Auditing** | 8.0 (31 reviews) | 8.1 (16 reviews) | 8.8 (125 reviews) ✓ Verified | 
| **Allow and block lists** | 8.9 (30 reviews) | 8.6 (17 reviews) | 9.2 (139 reviews) ✓ Verified | 
| **Compliance** | 9.0 (29 reviews) | 8.4 (16 reviews) | 9.0 (125 reviews) | 
| **Archiving** | 6.9 (23 reviews) | 8.0 (11 reviews) | 8.2 (100 reviews) ✓ Verified | 

#### Security

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Anti-Malware/Anti-Spam** | 9.3 (33 reviews) | 8.8 (17 reviews) | 9.3 (140 reviews) ✓ Verified | 
| **Encryption** | 7.1 (25 reviews) | 8.6 (12 reviews) | 8.8 (113 reviews) | 
| **Quarantine** | 8.9 (28 reviews) | 8.9 (17 reviews) | 9.4 (136 reviews) ✓ Verified | 
| **Advanced Threat Protection (ATP)** | 9.3 (30 reviews) | 8.9 (16 reviews) | 9.1 (98 reviews) ✓ Verified | 
| **Anti-Phishing** | 9.4 (32 reviews) | 9.3 (18 reviews) | 9.1 (102 reviews) ✓ Verified | 
| **Account takeover prevention** | 9.5 (29 reviews) | 8.7 (17 reviews) | 8.6 (86 reviews) ✓ Verified | 

### Intelligent Email Protection

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | 9.0/10 | 27 |
| **Proofpoint Adaptive Email Security** | 8.7/10 | 18 |
| **Proofpoint Core Email Protection** | 9.0/10 | 98 |

#### Administration

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Compliance** | 9.3 (21 reviews) | 8.9 (16 reviews) | 9.1 (84 reviews) | 
| **Intelligence Reporting** | 9.1 (24 reviews) | 8.6 (17 reviews) | 8.7 (91 reviews) | 
| **Email Clients** | 8.9 (24 reviews) | 9.1 (16 reviews) | 9.0 (90 reviews) | 
| **Role-Based Rules** | 8.8 (21 reviews) | 8.2 (13 reviews) | 8.9 (86 reviews) | 

#### Detection

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Data Exfiltration Detection** | 7.8 (20 reviews) | 9.1 (15 reviews) | 8.5 (79 reviews) | 
| **Activity Monitoring** | 8.7 (22 reviews) | 8.9 (16 reviews) | 8.9 (84 reviews) | 
| **Real-Time Detection** | 9.1 (24 reviews) | 8.9 (18 reviews) | 9.1 (93 reviews) | 

#### Protection

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Targeted Attack Prevention** | 9.2 (25 reviews) | 8.8 (17 reviews) | 9.2 (90 reviews) | 
| **Policy Enforcement** | 9.3 (20 reviews) | 8.8 (16 reviews) | 9.1 (93 reviews) | 
| **Spam Filtering** | 9.0 (23 reviews) | 8.2 (16 reviews) | 9.2 (95 reviews) | 

#### Agentic AI - Intelligent Email Protection

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Autonomous Task Execution** | 9.4 (11 reviews) | Not enough data | 9.3 (10 reviews) | 
| **Adaptive Learning** | 9.4 (12 reviews) | Not enough data | 9.3 (10 reviews) | 

### Secure Email Gateway

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | N/A | N/A |
| **Proofpoint Adaptive Email Security** | N/A | N/A |
| **Proofpoint Core Email Protection** | 8.9/10 | 117 |

#### Functionality

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Anti-Spam** | Not enough data | Not enough data | 9.3 (112 reviews) ✓ Verified | 
| **Anti-Malware** | Not enough data | Not enough data | 9.3 (112 reviews) ✓ Verified | 
| **Anti-Phishing** | Not enough data | Not enough data | 9.2 (111 reviews) ✓ Verified | 
| **Filtering Functionality** | Not enough data | Not enough data | 8.9 (112 reviews) ✓ Verified | 
| **Quarantine** | Not enough data | Not enough data | 9.2 (114 reviews) ✓ Verified | 
| **Outbound Email Monitoring** | Not enough data | Not enough data | 8.9 (106 reviews) ✓ Verified | 
| **Advanced Threat Intelligence/Protection** | Not enough data | Not enough data | 9.0 (111 reviews) | 
| **Archiving** | Not enough data | Not enough data | 8.3 (91 reviews) ✓ Verified | 
| **Reporting** | Not enough data | Not enough data | 8.5 (111 reviews) ✓ Verified | 
| **On-prem deployment** | Not enough data | Not enough data | 8.6 (49 reviews) | 

#### Agentic AI - Secure Email Gateway

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | 8.7 (23 reviews) | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | N/A | N/A |
| **Proofpoint Adaptive Email Security** | N/A | N/A |
| **Proofpoint Core Email Protection** | 8.7/10 | 22 |

#### Encryption Techniques - Email Encryption

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Encryption Algorithms** | Not enough data | Not enough data | 9.0 (21 reviews) | 
| **Transport Encryption** | Not enough data | Not enough data | 9.0 (21 reviews) | 
| **End-to-End Encryption** | Not enough data | Not enough data | 9.3 (20 reviews) | 

#### Authentication, Verification, and Access Controls - Email Encryption

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | 8.9 (20 reviews) | 
| **Access Controls** | Not enough data | Not enough data | 8.4 (20 reviews) | 
| **Digital Signatures** | Not enough data | Not enough data | 8.5 (20 reviews) | 
| **Certificate Authorities** | Not enough data | Not enough data | 8.5 (20 reviews) | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Malware Scanning** | Not enough data | Not enough data | 8.7 (21 reviews) | 
| **Reporting** | Not enough data | Not enough data | 8.7 (21 reviews) | 
| **Audit Trails** | Not enough data | Not enough data | 8.6 (21 reviews) | 
| **Data Loss Prevention (DLP)** | Not enough data | Not enough data | 8.5 (21 reviews) | 

#### Integration, Compatibility, and Usability - Email Encryption

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **User-Friendly Interfaces** | Not enough data | Not enough data | 8.6 (22 reviews) | 
| **APIs and SDKs** | Not enough data | Not enough data | 8.3 (20 reviews) | 
| **Email Client Integration** | Not enough data | Not enough data | 8.7 (21 reviews) | 
| **Automation** | Not enough data | Not enough data | 8.1 (20 reviews) | 

### Email Anti-spam

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | 9.3/10 | 9 |
| **Proofpoint Adaptive Email Security** | N/A | N/A |
| **Proofpoint Core Email Protection** | 8.9/10 | 16 |

#### Agentic AI - Email Anti-spam Features

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Autonomous Task Execution** | 9.4 (9 reviews) | Not enough data | 8.9 (16 reviews) | 
| **Proactive Assistance** | 9.2 (8 reviews) | Not enough data | 8.9 (16 reviews) | 

### Data Security

| Product | Score | Reviews |
|---|---|---|
| **Abnormal AI** | N/A | N/A |
| **Proofpoint Adaptive Email Security** | N/A | N/A |
| **Proofpoint Core Email Protection** | N/A | N/A |

#### Compliance

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Access Management** | Not enough data | Not enough data | Not enough data | 
| **At-Risk Analysis** | Not enough data | Not enough data | Not enough data | 
| **DLP Configuration** | Not enough data | Not enough data | Not enough data | 
| **Sensitive Data Compliance** | Not enough data | Not enough data | Not enough data | 

#### Administration

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Database Management** | Not enough data | Not enough data | Not enough data | 
| **Deduplication ** | Not enough data | Not enough data | Not enough data | 
| **Backup** | Not enough data | Not enough data | Not enough data | 
| **API / integrations** | Not enough data | Not enough data | Not enough data | 

#### Security 

| Feature | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Multi-Factor Authentication** | Not enough data | Not enough data | Not enough data | 
| **Data Transport** | Not enough data | Not enough data | Not enough data | 
| **Data Types** | Not enough data | Not enough data | Not enough data | 
| **Security Tools** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (3):** [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security), [Intelligent Email Protection Software](https://www.g2.com/categories/intelligent-email-protection), [Email Anti-spam Software](https://www.g2.com/categories/email-anti-spam)

**Unique to Abnormal AI (1):** [Emerging AI Software](https://www.g2.com/categories/emerging-ai-software)

**Unique to Proofpoint Adaptive Email Security (1):** [Data Loss Prevention (DLP) Software](https://www.g2.com/categories/data-loss-prevention-dlp)

**Unique to Proofpoint Core Email Protection (2):** [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway), [Email Encryption Software](https://www.g2.com/categories/email-encryption)


---
## Reviewer Demographics

### By Company Size

| Segment | Abnormal AI | Proofpoint Adaptive Email Security | Proofpoint Core Email Protection | 
|---|---|---|---|
| **Small-Business** | 2.9% | 0% | 4.0% | 
| **Mid-Market** | 47.1% | 57.8% | 30.1% | 
| **Enterprise** | 50.0% | 42.2% | 65.9% | 

### By Industry

#### Abnormal AI

- **Manufacturing:** 11.3%
- **Financial Services:** 11.3%
- **Automotive:** 6.5%
- **Non-Profit Organization Management:** 6.5%
- **Primary/Secondary Education:** 4.8%
- **Retail:** 4.8%
- **Information Technology and Services:** 4.8%
- **Entertainment:** 3.2%
- **Telecommunications:** 3.2%
- **Oil & Energy:** 3.2%
- **Other:** 40.3%

#### Proofpoint Adaptive Email Security

- **Financial Services:** 33.3%
- **Legal Services:** 13.3%
- **Law Practice:** 6.7%
- **Information Technology and Services:** 6.7%
- **Government Administration:** 6.7%
- **Accounting:** 4.4%
- **Banking:** 4.4%
- **Food Production:** 2.2%
- **Pharmaceuticals:** 2.2%
- **Farming:** 2.2%
- **Other:** 17.8%

#### Proofpoint Core Email Protection

- **Financial Services:** 9.3%
- **Hospital & Health Care:** 8.6%
- **Information Technology and Services:** 6.8%
- **Retail:** 5.3%
- **Banking:** 4.2%
- **Manufacturing:** 4.2%
- **Computer & Network Security:** 3.9%
- **Computer Software:** 3.2%
- **Insurance:** 3.2%
- **Higher Education:** 3.0%
- **Other:** 48.4%

---
## Alternatives

### Alternatives to Abnormal AI

- [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) — 4.4/5 stars (320 reviews)
- [Darktrace / EMAIL](https://www.g2.com/products/darktrace-email/reviews) — 3.9/5 stars (16 reviews)
- [IRONSCALES](https://www.g2.com/products/ironscales/reviews) — 4.7/5 stars (65 reviews)
- [Microsoft Defender for Office 365](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews) — 4.5/5 stars (293 reviews)
- [Proofpoint Targeted Attack Protection For Email](https://www.g2.com/products/proofpoint-targeted-attack-protection-for-email/reviews) — 4.7/5 stars (39 reviews)
- [Check Point Harmony Email & Collaboration](https://www.g2.com/products/check-point-harmony-email-collaboration/reviews) — 4.6/5 stars (511 reviews)
- [KnowBe4 Cloud Email Security (Formerly Egress)](https://www.g2.com/products/knowbe4-cloud-email-security-formerly-egress/reviews) — 4.5/5 stars (74 reviews)
- [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) — 4.7/5 stars (1347 reviews)
- [Valimail](https://www.g2.com/products/valimail/reviews) — 4.5/5 stars (459 reviews)
- [Paubox](https://www.g2.com/products/paubox/reviews) — 4.9/5 stars (556 reviews)

### Alternatives to Proofpoint Adaptive Email Security

- [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) — 4.4/5 stars (320 reviews)
- [Check Point Harmony Email & Collaboration](https://www.g2.com/products/check-point-harmony-email-collaboration/reviews) — 4.6/5 stars (511 reviews)
- [Paubox](https://www.g2.com/products/paubox/reviews) — 4.9/5 stars (556 reviews)
- [BetterCloud](https://www.g2.com/products/bettercloud/reviews) — 4.4/5 stars (482 reviews)
- [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) — 4.7/5 stars (1347 reviews)
- [Valimail](https://www.g2.com/products/valimail/reviews) — 4.5/5 stars (459 reviews)
- [CyberSentriq](https://www.g2.com/products/cybersentriq/reviews) — 4.6/5 stars (391 reviews)
- [Veeam Data Platform](https://www.g2.com/products/veeam-data-platform/reviews) — 4.6/5 stars (717 reviews)
- [Check Point Next Generation Firewalls (NGFWs)](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) — 4.5/5 stars (583 reviews)
- [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews) — 4.4/5 stars (407 reviews)

### Alternatives to Proofpoint Core Email Protection

- [Paubox](https://www.g2.com/products/paubox/reviews) — 4.9/5 stars (556 reviews)
- [SpamTitan Email Security](https://www.g2.com/products/spamtitan-email-security/reviews) — 4.5/5 stars (199 reviews)
- [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) — 4.4/5 stars (320 reviews)
- [Symantec Email Security.Cloud](https://www.g2.com/products/symantec-email-security-cloud/reviews) — 4.1/5 stars (66 reviews)
- [Microsoft Defender for Office 365](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews) — 4.5/5 stars (293 reviews)
- [Cloudflare One (SASE)](https://www.g2.com/products/cloudflare-one-sase/reviews) — 4.6/5 stars (104 reviews)
- [N-able Mail Assure](https://www.g2.com/products/n-able-mail-assure/reviews) — 4.0/5 stars (68 reviews)
- [IRONSCALES](https://www.g2.com/products/ironscales/reviews) — 4.7/5 stars (65 reviews)
- [Cisco Secure Email Threat Defense](https://www.g2.com/products/cisco-secure-email-threat-defense/reviews) — 4.3/5 stars (28 reviews)
- [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews) — 4.4/5 stars (407 reviews)

---
## Top Discussions

### Abnormal AI

No discussions available for this product.

### Proofpoint Adaptive Email Security

No discussions available for this product.

### Proofpoint Core Email Protection

- Title: [What is the best way to allow users to safely release quarantined emails to their inbox ?](https://www.g2.com/discussions/14391-what-is-the-best-way-to-allow-users-to-safely-release-quarantined-emails-to-their-inbox) — 3 comments, 1 upvote
  > **Top comment:** "Hi Kadeem, this is Merry from G2. Sorry to hear you're having these difficulties. Perhaps you have the "Require Admin Privileges to Release" setting on? When..."
- Title: [How is it possible to limit the quaratine folder. I still have too many mails quarantined.](https://www.g2.com/discussions/15180-how-is-it-possible-to-limit-the-quaratine-folder-i-still-have-too-many-mails-quarantined) — 2 comments, 1 upvote
  > **Top comment:** "Hi Patrick - this is Merry from G2. Sounds like you get at ton of emails per day! Proofpoint has a ton of tutorials on their YouTube channel & several videos..."
- Title: [What is proofpoint PPS Ppps net?](https://www.g2.com/discussions/what-is-proofpoint-pps-ppps-net) — 1 comment
  > **Top comment:** "I don't believe there is a 'ppps net.  We extensively use ProofPoint."
- Title: [Is there a road map to enhance the Smart Search feature?](https://www.g2.com/discussions/15126-is-there-a-road-map-to-enhance-the-smart-search-feature) — 1 comment, 1 upvote
  > **Top comment:** "The Smartserarch tool, is seen more as a troubleshooting tool, the actions you want to do are inside the quarantine folders. But in my opinion, putting some..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/abnormal-ai-vs-proofpoint-adaptive-email-security-vs-proofpoint-core-email-protection)