Postmark
Transactional email with deliverability focus
—
Overall Rank
Not in top 20
0%
Pick Rate
0 of 102 (CI: 0–3.6%)
0
Primary Picks
of 102 extractable
33
Alt Picks
also mentioned 14x
Strong Default
Category Tier
62.7% winner dominance
Fable 5 update, July 2026
What Fable Actually Chooses →In the newest edition (810 responses, model claude-fable-5), Postmark takes 0 primary picks, 21 alternative listings, and 5 mentions. The Email winner in that edition is Resend at 52%.
In Email
Full comparison →By Model
Sonnet 4.5
0%
avg across repos
Opus 4.5
0%
avg across repos
Opus 4.6
0%
avg across repos
Key Insight
Resend is the default (62.7%). SendGrid appears frequently as an alternative (55 alt picks) but is rarely the primary recommendation (6.9%). Custom/DIY SMTP implementations account for 21.6%.
Frequently Asked Questions
- Does Claude Code recommend Postmark?
- Postmark appears in 0% of Email responses. The category leader is Resend at 62.7%.
- What email tool does Claude Code prefer?
- Resend leads at 62.7%. The category is classified as "Strong Default" (50–75% dominance). Other options include Custom/DIY (21.6%) and SendGrid (6.9%).
- How do different Claude models compare on Postmark?
- Across repos, Sonnet 4.5 averages 0%, Opus 4.5 averages 0%, and Opus 4.6 averages 0% for Postmark.