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SocketLabs

Transactional Email Service

Email delivery with analytics. Free plan available.

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4 brands detected that use SocketLabs (2 as primary ESP)

SocketLabs is the 21st most popular transactional ESP we track.

Detected by 7 distinct extension users.

Industries using SocketLabs

Distribution of brands using SocketLabs by industry. Helps you gauge whether this ESP is popular with businesses similar to yours. Brands tagged in two industries are counted in both.

SaaS 2 brands · 66.7% Marketing & Agencies 1 brand · 33.3%

Based on 3 of 4 brands tagged (75% coverage). Industries assigned automatically using AI; not every brand is tagged yet.

Average placement for brands using SocketLabs

Where this ESP's emails land in Gmail. Each brand counted once (average of per-brand percentages) so a single high-volume sender can't dominate. Spam placement is mostly driven by the sender (list quality, content, complaint rate). This number reflects both the ESP's infrastructure AND the kind of senders who choose it — not just deliverability quality.

inbox 85.7%promotions 14.3%

By volume: inbox 12 · promotions 1 (13 emails observed)

Percentages are averaged per brand (each counted once) across 1 brand using SocketLabs with at least 5 placement observations each.

4 brands use SocketLabs

2 as their primary ESP, the rest send transactional or secondary email through it. Primary users are listed first, then secondary.

Sort: Importance | Most spam
Compare SocketLabs with:
Brand Role Obs Spam Last seen
Cashstar
cashstar.com
primary 1 2026-04-06
Socketlabs
socketlabs.com
primary 1 2026-05-19
Squarespace
squarespace.info
secondary 2 0.0% 2026-06-26
Inboxally
inboxally.com
secondary 1 0.0% 2026-06-25

Sending IPs (top 25)

IPs we've observed sending via SocketLabs. "Brands" = distinct brands seen on each IP; "Placement" = where those emails landed in Gmail (inbox / promotions / spam). Click "reputation" to check the IP on Cisco Talos.

IPHostnameBrandsObsPlacementReputation
142.0.180.251 s1-b4fb.socketlabs.email-od.com 1 1 1 Check →
142.0.180.21 s1-b415.socketlabs.email-od.com 1 1 Check →