SleekView for Mailrelay: campaign performance as a table
Mailrelay hosts campaigns and reports in its own dashboard. SleekView pulls campaign stats through the Mailrelay API and renders a sortable workspace of opens, clicks, bounces, and sent dates inside WP Admin.
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Mailrelay reporting in WP Admin
Mailrelay combines an SMTP relay with broadcast campaigns and is widely used by Spanish-speaking teams and high-volume European senders. The WordPress integration covers form capture and list sync; campaigns and their performance reports stay in the Mailrelay panel.
SleekView calls the Mailrelay REST API on a configurable interval, caches the sent-campaign list with delivered counts, opens, unique opens, click rate, hard and soft bounces, and unsubscribes, and renders the cache as a sortable, filterable grid in WP Admin. Each campaign is a row. Open rate, click rate, and bounce count are sortable columns. Sent date filters scope the workspace to a launch window.
Saved views handle the per-role rhythm. The newsletter editor keeps an open-rate-sorted view. The list ops lead keeps a bounce-heavy view. The deliverability lead keeps a view scoped to high-bounce groups for the recurring cleanup pass. Mailrelay stays the sender; the workspace becomes the daily reading surface.
Workflow
Mailrelay campaigns through the API into a workspace
Connect Mailrelay
Schedule the pull
Compose the workspace
Refresh on demand
Sample columns
A typical Mailrelay campaigns view
Mailrelay REST API + local cache table
| Campaign | Group | Sent | Open rate | Click rate | Bounces |
|---|---|---|---|---|---|
| Boletín mensual | Suscriptores | Apr 26 | 43.5% | 7.2% | 8 |
| Promo primavera | Clientes | Apr 22 | 35.1% | 10.9% | 12 |
| Recordatorio renovación | Premium | Apr 18 | 47.8% | 8.4% | 25 |
| Reactivación lista fría | Inactivos | Apr 13 | 15.6% | 1.1% | 82 |
Comparison
Mailrelay panel vs SleekView in WP Admin
Default Mailrelay reporting
- Reports live in the Mailrelay panel, outside WordPress
- No sortable cross-campaign workspace by default
- No saved per-teammate filter presets
- No shared view alongside the WP Admin workflow
- Cross-campaign analysis needs CSV exports
SleekView
- Campaigns table inside WP Admin
- Sort by open rate, click rate, or bounces
- Filter by group or sent date
- Saved views per teammate
- Scheduled API refresh keeps the cache current
Features
What SleekView gives you for Mailrelay
Engagement at a glance
Open rate, click rate, and bounces render as sortable columns next to subject line and sent date. The strongest and weakest sends sit side by side in the same view.
Per-group scoping
Mailrelay's group structure carries through to the workspace. Filter on group to scope the grid to a segment, an audience cohort, or a paid versus free split.
Bounce monitoring
Hard and soft bounces render as separate sortable columns. List ops can spot deliverability drift on a specific group before the next send compounds the problem.
Audience
Who uses SleekView for Mailrelay
Newsletter editors
Sort on open rate to find the subject lines that landed. The next send drafts partly from the last send's numbers, both visible in the same workspace.
List ops
Bounce-heavy campaigns surface immediately. Group-scoped cleanup keeps deliverability healthy ahead of the next high-volume send.
Deliverability leads
Per-group bounce trends inform sender-reputation work. Suppress bouncing addresses, segment cold groups, and keep the IP reputation steady across campaigns.
The bigger picture
Why high-volume senders need a sortable workspace
Mailrelay's audience skews toward higher-volume senders: e-commerce stores running daily promos, publishers running daily digests, agencies running campaigns for multiple clients off a shared sending infrastructure. At those volumes the per-campaign report in the Mailrelay panel is the right tool for a single deep-dive, but the cross-campaign questions that matter operationally don't fit a per-campaign view. Which group bounced the most this week? Which subject-line variant has the best aggregate open rate across the last month? Which campaigns triggered an unsubscribe spike that warrants a list audit? Each of those questions needs a sortable workspace across many campaigns.
SleekView caches the Mailrelay API response locally and renders it as that workspace inside WP Admin. List ops sorts by bounce count to find the groups that need cleanup. Deliverability leads sort by unsubscribe rate to flag the broadcasts that hurt reputation.
Newsletter editors sort by open rate across the recent month to spot the patterns worth repeating. The data is the same data Mailrelay reports; the workspace makes the cross-campaign questions answerable in one click.
Questions
Common questions about SleekView for Mailrelay
No. The composer stays in Mailrelay where the broadcast tools belong. SleekView focuses on the reporting side because that's the recurring read that benefits from being inside WP Admin.
Configurable. Hourly suits high-volume daily senders; six-hourly works for weekly newsletters. Manual refresh is one click for an immediate post-send read.
Yes. Mailrelay returns the targeted group per campaign and SleekView surfaces it as a filterable column. Build a saved view per group to track engagement trends on that audience.
Mailrelay's transactional traffic flows through SMTP and is reported separately from campaigns. SleekView's workspace covers the campaigns endpoint by default; transactional reporting can be configured as its own view where the API exposes it.
Yes. The cache indexes on campaign ID and sent date, so the workspace stays responsive on accounts with thousands of campaigns. Pagination handles the API pull regardless of account volume.
SleekView respects Mailrelay's published rate limits and backs off when the API returns throttling responses. The scheduled pull spaces requests appropriately and the local cache means filtering and sorting never hit the API directly.
Yes. Each subsite registers its own Mailrelay connection and the cache scopes per subsite by default. Network-wide views are configurable where ops genuinely spans subsites.
Yes. Any filtered view exports to CSV with the chosen columns. Useful for monthly recap reports, sponsor updates, or feeding the campaign-performance numbers into a separate analytics workflow.
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