Communications archiving and compliance · October 2026 Edition
MailStore Server vs Proofpoint Enterprise Archive
One of fourteen models named MailStore Server first on the direct prompt; one named Proofpoint Enterprise Archive. MailStore Server was named by seven of the fourteen models and Proofpoint Enterprise Archive by fourteen and MailStore Server carries 13 labels and Proofpoint Enterprise Archive 39, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share7%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%5%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#8A position in a field of 12; printed, not drawn.
Labels1339A 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 eleven of the fourteen direct answers. Smarsh Enterprise Archive vs MailStore Server · Smarsh Enterprise Archive vs Proofpoint Enterprise Archive · Mimecast Cloud Archive 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
Direct11
Paraphrase011 against Proofpoint Enterprise Archive
Comparative04
Budget-constrained30
Scale-constrained01
Negative001 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.
Across every category in the October 2026 Edition, MailStore Server and Proofpoint Enterprise Archive were named in the same answer twenty times, of the 47 answers naming MailStore Server and the 125 naming Proofpoint Enterprise Archive. In those answers Proofpoint Enterprise Archive took the first choice zero times and MailStore Server nine.
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 4.1 Fast | | | | | ||
| 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.
MailStore Server first, Proofpoint Enterprise Archive not the choice
1 of 14 modelsProofpoint Enterprise Archive was named in the answer but not as the choice, or not at all.Kimi K2Barracuda Cloud Archiving Service, MailStore Server alternatives: Jatheon, Mimecast Cloud Archive, Smarsh Enterprise Archive
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.Qwen 3.7 FlashMimecast Cloud Archive, Proofpoint Enterprise Archive alternatives: Global Relay, OpenText, Smarsh Enterprise Archive, Wordwatch
Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Mimecast Cloud Archive, Smarsh Enterprise Archive alternatives: Arcserve UDP Archiving, ComplyKEY MailMeter, MailStore Server
Gemini 3.5 FlashMimecast Cloud Archive alternatives: Barracuda Cloud Archiving Service, Proofpoint Enterprise Archive, Theta Lake
Mistral SmallMimecast Cloud Archive, Smarsh Enterprise Archive alternatives: Microsoft Purview, Proofpoint Enterprise Archive
DeepSeek V4 FlashJatheon alternatives: Mimecast Cloud Archive, Proofpoint Enterprise Archive
MiniMax M2.5Global Relay, Smarsh Enterprise Archive alternatives: Mimecast Cloud Archive, Proofpoint Enterprise Archive, Theta Lake
GPT-6 LunaMimecast Cloud Archive alternatives: Global Relay, Microsoft Purview, Proofpoint Enterprise Archive, Smarsh Enterprise Archive
Muse Glimmer 30BBarracuda Archiving Service / Barracuda Cloud Archiving Service alternatives: Global Relay, Proofpoint Enterprise Archive, Smarsh Enterprise Archive, Wordwatch
Neither was named
5 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniSmarsh Enterprise Archive alternatives: Archive360, Microsoft Purview, Mimecast Cloud Archive, Theta Lake
Perplexity SonarSmarsh Enterprise Archive alternatives: Global Relay, Mimecast Archiving, Wordwatch
Grok 4.1 FastSmarsh Enterprise Archive alternatives: Global Relay, Jatheon
Llama 4 Maverickno first choice
GLM 4.7 FlashXGlobal Relay, Smarsh Enterprise Archive alternatives: Mimecast Cloud Archive, Theta Lake, Wordwatch
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 eighteen points.
MailStore Server18%#2 of 10Proofpoint Enterprise Archive0%#10 of 10Mid-marketThe figures above
MailStore Server leads by two points.
MailStore Server7%#6 of 12Proofpoint Enterprise Archive5%#8 of 12Enterprise
The order flips: Proofpoint Enterprise Archive leads at enterprise.
Proofpoint Enterprise Archive27%#1 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. Three of four in this category shown.
“1-5 users, on-prem, minimal spend: MailStore Server Starter Kit at $259 one-time ... is the cheapest proven option.” Muse Glimmer 30B · budget prompt · first choice
“For the tightest budget, start with MailStore Server (if you can handle on-premises) or Google Vault” MiniMax M2.5 · budget prompt · first choice
“Start with Barracuda or MailStore if your needs are primarily email compliance and eDiscovery.” Kimi K2 · direct 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. Five of six in this category shown.
“Proofpoint is an excellent enterprise-grade tool, but it may require more dedicated administrative overhead” Gemini 3.5 Flash · negative prompt · soft negative
“Cons: May be overkill for smaller mid-sized companies” Kimi K2 · paraphrase prompt · soft negative
“Proofpoint if you want a modern cloud-first archive with strong governance for mainstream business communications.” Perplexity Sonar · paraphrase prompt · first choice
“Proofpoint (Leader in 2024 Gartner MQ for Digital Communications Governance & Archiving; longest-running leader).” Grok 4.1 Fast · comparative prompt · first choice
“Regulated Industries: Smarsh and Proofpoint lead for financial services and strict compliance.” Mistral Small · comparative prompt · first choice
Also compared
Smarsh Enterprise Archive vs MailStore ServerSmarsh Enterprise Archive vs Proofpoint Enterprise ArchiveMimecast Cloud Archive vs MailStore ServerMimecast Cloud Archive vs Proofpoint Enterprise ArchiveMicrosoft Purview vs MailStore ServerMicrosoft Purview vs Proofpoint Enterprise ArchiveGoogle Vault vs MailStore ServerGoogle Vault vs Proofpoint Enterprise ArchiveJatheon vs MailStore ServerJatheon vs Proofpoint Enterprise ArchiveMailStore Server vs Barracuda Cloud Archiving ServiceBarracuda Cloud Archiving Service 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.