Hello Mailbox Providers,
I am a Deliverability Specialist reaching out on behalf of Mailkit about
a client of ours that needs to send out larger than usual transactional
campaigns to 4 different country accounts detailing a change in the
account entity. Below are more details. I am reaching out in mailops in
an attempt to facilitate smoother deliverability of these emails.
*Subject line(s): *
Informace o změně obchodních podmínek
Tájékoztatás az üzleti feltételek változásáról
Informacja o zmianie regulaminu
Informácie o zmene obchodných podmienok
*From addresses:*
[email protected]
[email protected]
[email protected]
[email protected]
*IP ranges used:* 185.136.200.0/22
*Start time*: 13.10.2026
*Volume*: In total, ~5.8M sends across all 4 domains, over 36-60 hours
depending on the country (~450-750 sends per minute)
*List compositions*:
SK and HU: ~80% Google, 20% other (mostly SK or HU) domains
PL: 51% Gmail, 17% wp.pl, ~30% other Polish domains
CZ: 41% Seznam, 32% Gmail, 25% other domains
If there is any more information I can provide, just let me know and I
will be happy to share it. We appreciate any assistance you can provide,
and thank you in advance.
--
Best regards,
Josephine Skinner
Deliverability Specialist
E-mail: [email protected]
Tel: +420 771 240 339 <tel:+420771240339>
Mailkit - Designed to Deliver. Engineered to Engage
<https://www.mailkit.com>
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