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Communications archiving and compliance · November 2026 Edition
MailStore Server vs Proofpoint Enterprise Archive
Zero of fourteen models named MailStore Server first on the direct prompt; one named Proofpoint Enterprise Archive. MailStore Server was named by twelve of the fourteen models and Proofpoint Enterprise Archive by fourteen and MailStore Server carries 20 labels and Proofpoint Enterprise Archive 29, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share12%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%17%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#8A position in a field of 13; printed, not drawn.
Labels2029A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, MailStore Server reading right to left. Rank and label count are printed, not drawn.Smarsh Enterprise Archive was named alongside these two in ten of the fourteen direct answers. Smarsh Enterprise Archive vs MailStore Server · Smarsh Enterprise Archive vs Proofpoint Enterprise Archive · Microsoft Purview vs MailStore Server
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the communications archiving and compliance page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
MailStore ServerFirst choices, of fourteen modelsProofpoint Enterprise Archive
Direct01
Paraphrase10
Comparative01
Budget-constrained601 against Proofpoint Enterprise Archive
Scale-constrained001 against Proofpoint Enterprise Archive
Negative011 against MailStore Server · 3 against Proofpoint Enterprise Archive
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where MailStore Server and Proofpoint Enterprise Archive stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | ||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | | |||
| Grok 4.20 | | |||||
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | ||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | ||||
| Kimi K2 | | | | |||
| GLM 4.7 FlashX | | | ||||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | | | ||||
| Muse Glimmer 30B | | | |
MailStore Server Proofpoint Enterprise Archive first choice named as an alternative argued againstblank: not namedEach cell is one answer, MailStore Server on the left and Proofpoint Enterprise Archive on the right.The direct prompt
The plain question, one answer per model, grouped by where MailStore Server and Proofpoint Enterprise Archive stood in it.
Proofpoint Enterprise Archive first, MailStore Server not the choice
1 of 14 modelsMailStore Server was named in the answer but not as the choice, or not at all.GPT-5.4 miniProofpoint Enterprise Archive, Smarsh Enterprise Archive alternatives: Archive360, Barracuda Cloud Archiving Service, Nuclei Discovery & Archive Suite
Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Smarsh Enterprise Archive alternatives: ComplyKEY MailMeter, Jatheon Enterprise Data Archiving Solution, MailStore Server, Mimecast Cloud Archive
DeepSeek V4 FlashMimecast Cloud Archive alternatives: Global Relay Archive, Google Vault, MailStore Server, Smarsh Enterprise Archive
GLM 4.7 FlashXSmarsh Enterprise Archive alternatives: MailStore Server, Microsoft Purview, Mimecast Cloud Archive, OpenText Core Business Communication Archive
GPT-6 LunaMicrosoft Purview alternatives: Mimecast Cloud Archive, Nuclei, Proofpoint Enterprise Archive, Smarsh Enterprise Archive
Neither was named
9 of 14 modelsThe answer made no first choice from these two in this category.Gemini 3.5 FlashSmarsh Enterprise Archive alternatives: Global Relay Archive, Jatheon, Mimecast Cloud Archive, Theta Lake
Perplexity SonarOpenText Core Business Communication Archive alternatives: Barracuda Cloud Archiving Service, Jatheon, Smarsh Enterprise Archive, SteelEye
Grok 4.20Mimecast Cloud Archive alternatives: Pagefreezer, Smarsh Enterprise Archive, Theta Lake
Mistral SmallSmarsh Enterprise Archive alternatives: MessageWatcher, OpenText Core Business Communication Archive, Theta Lake
Llama 4 Maverickno first choice
Qwen 3.7 FlashMicrosoft Purview alternatives: Google Vault, Intradyn, MessageWatcher, Mimecast Cloud Archive, OpenText™ Core Business Communication Archive
Kimi K2Smarsh Professional Archive alternatives: Barracuda Message Archiver, Jatheon, Mimecast Cloud Archive
MiniMax M2.5Smarsh Professional Archive alternatives: Barracuda Message Archiver, Global Relay Archive, Microsoft Purview, Mimecast Cloud Archive
Muse Glimmer 30BSmarsh Enterprise Archive alternatives: Global Relay Archive, Jatheon, Mimecast Cloud Archive
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
MailStore Server leads by fifteen points.
MailStore Server15%#2 of 12Proofpoint Enterprise Archive0%#11 of 12Mid-marketThe figures above
MailStore Server leads by eleven points.
MailStore Server12%#3 of 13Proofpoint Enterprise Archive2%#8 of 13Enterprise
The order flips: Proofpoint Enterprise Archive leads at enterprise.
Proofpoint Enterprise Archive18%#2 of 10MailStore Server0%#– of 10What the models said about MailStore Server
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“MailStore, Mimecast, Proofpoint, Barracuda, and similar email-focused products may be inadequate if you must retain Teams, Slack, WhatsApp, SMS, voice, social media, or trader communications.” Perplexity Sonar · negative prompt · soft negative
“the best communications archiving platform is typically MailStore Server (or its cloud variant, MailStore Cloud)” Grok 4.20 · budget prompt · first choice
“MailStore Server is the best default if your main requirement is email archiving” Perplexity Sonar · budget prompt · first choice
“For a company with a limited budget, MailStore Server is the clear winner” DeepSeek V4 Flash · budget prompt · first choice
What the models said about Proofpoint Enterprise Archive
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“considered "criticized challengers" due to their complex pricing, unavailability of functions, slow search, and lack of robust technical support” Llama 4 Maverick · negative prompt · hard negative
“What I'd avoid on a tight budget: enterprise-first platforms like Smarsh Professional Archive or Proofpoint Enterprise Archive” GPT-5.4 mini · budget prompt · hard negative
“Proofpoint has a high negative rate (53%), with criticisms focusing on functionality and support issues” Mistral Small · negative prompt · hard negative
“the best default choice is usually Proofpoint’s midmarket archiving / Discovery & Archive offering” GPT-5.4 mini · direct prompt · first choice
“Safer Bets ... Proofpoint Enterprise Archive – accepted challenger, higher satisfaction scores” DeepSeek V4 Flash · negative prompt · first choice
“Need the broadest regulated communications coverage? Smarsh or Proofpoint.” GPT-5.4 mini · comparative prompt · first choice
Also compared
Smarsh Enterprise Archive vs MailStore ServerSmarsh Enterprise Archive vs Proofpoint Enterprise ArchiveMicrosoft Purview vs MailStore ServerMicrosoft Purview vs Proofpoint Enterprise ArchiveMailStore Server vs Mimecast Cloud ArchiveMailStore Server vs JatheonMailStore Server vs Google VaultMailStore Server vs OpenText Core Business Communication ArchiveMimecast Cloud Archive vs Proofpoint Enterprise ArchiveJatheon vs Proofpoint Enterprise ArchiveGoogle Vault vs Proofpoint Enterprise ArchiveOpenText Core Business Communication Archive vs Proofpoint Enterprise ArchiveAll twenty-eight head-to-head pages and the full comms archiving standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.