Tag

    #email infrastructure

    4 articles tagged with email infrastructure.

    SMTP Ports Explained: 25, 465, 587 (Which to Use)
    Transactional & SMTP

    SMTP Ports Explained: 25, 465, 587 (Which to Use)

    SMTP uses ports 25, 465, 587, and 2525. Here's what each port does, how they handle encryption, and which one to use when sending email.

    Jul 14, 20268 min read
    What Is an SMTP Relay (and When to Use One)?
    Transactional & SMTP

    What Is an SMTP Relay (and When to Use One)?

    An SMTP relay forwards your outgoing email through trusted servers so it reaches the inbox. Learn how relays work, how they differ from direct delivery, and when to use one.

    Jul 11, 20268 min read
    SMTP Relay Services: How They Work + What to Look For
    Transactional & SMTP

    SMTP Relay Services: How They Work + What to Look For

    How SMTP relay services deliver your email, and the concrete criteria to evaluate one: authentication, IP reputation, own-domain sending, reporting, and pricing.

    Jul 10, 20269 min read
    IP Warming: A Day-by-Day Warm-Up Schedule
    Deliverability

    IP Warming: A Day-by-Day Warm-Up Schedule

    IP warming builds sender trust by ramping email volume gradually. Get a day-by-day warm-up schedule, the metrics to watch, and mistakes to avoid.

    Jul 3, 20269 min read
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