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Categories
SMTP
Configuration, relay and authentication.
Latest: STARTTLS vs implicit TLS on 465
128discussions
642posts
API
Integration and development questions.
Latest: Idempotency keys with batch send
96discussions
511posts
Deliverability
Bounces, spam, reputation, delivery.
Latest: Gmail 0.3% complaint threshold
154discussions
903posts
DNS & Domains
SPF, DKIM, DMARC, domain setup.
Latest: DKIM selector rotation without downtime
87discussions
418posts
Integrations
Frameworks and platform integrations.
Latest: WordPress SMTP on 2525
63discussions
274posts
Feature Requests
Suggest improvements.
Latest: Per-recipient VERP tokens
41discussions
190posts
Announcements
Official product announcements.
Latest: Templates & Message Streams shipped
18discussions
96posts
Recent discussions
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DKIM passes but mail still lands in spam — what am I missing?
0replies
0views
S
Best DMARC policy for a brand-new domain?
0replies
0views
P
How do batch sends report per-message failures via the API?
0replies
0views
G
MailEnable smarthost on 2525 — cleartext auth issue
0replies
0views
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SPF permerror: too many DNS lookups after adding a provider
0replies
0views
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Recommended warm-up schedule for a dedicated IP?
0replies
0views
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Getting duplicate webhook events — is that normal?
0replies
0views
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How close to Gmail's 0.3% complaint threshold is safe?
0replies
0views
O
How to rotate a DKIM selector without downtime?
0replies
0views
C
Return-path vs From alignment for DMARC — confused
0replies
0views
M
Solved ✓ Hot DKIM passes but mail still lands in spam, what am I missing?
14replies
512views
O
Batch API: how are per-message failures reported?
6replies
231views
H
Pinned Hot [Announcement] Message Streams are now live
22replies
1840views
W
Solved ✓ MailEnable smarthost on 2525, cleartext auth question
9replies
388views
P
Best DMARC policy to start with for a new domain?
11replies
402views