| 1Pigeons246K24 2open source transactional email100 | DR | Linking domains | Traffic | Ads | Price— | |
| 1email for ai agents110— 2ai agent inbox10— 3mcp email server10— 5Kiro Mail0— | DR | Linking domains | Traffic | Ads | Price— | |
| 1email verification api2100 2Mailhook20— 3disposable email api100 4email to json100 | DR0 | Linking domains1 | Traffic | Ads0 | Price$18–$1k | |
| 1email for ai agents110— 2transactional email api900 | DR0 | Linking domains297 | Traffic | Ads0 | Price— | |
| 1ai agent identity110— 2email for ai agents110— 3ai email triage300 4mcp server for email10— | DR0 | Linking domains51 | Traffic | Ads0 | Price$13–$66 | |
| 1MailPilot90— 2ai email classification10— | DR0 | Linking domains53 | Traffic | Ads0 | Price— | |
| 1ai agent inbox10— 2mcp email server10— | DR0 | Linking domains0 | Traffic | Ads0 | Price$20–$200 | |
| 1b2b lead generation1.9K0 2cold email infrastructure110— 3cold email outreach service90— | DR0 | Linking domains2 | Traffic | Ads0 | Price$0.50–$30 | |
| 1email deliverability tool39036 2cold email infrastructure110— 3cold email copywriting500 4automated email warmup30— | DR0 | Linking domains4 | Traffic | Ads0 | Price$40 | |
| 1cold email infrastructure110— 2google workspace inboxes30— 3pre warmed inboxes30— | DR0 | Linking domains94 | Traffic0 | Ads0 | Price$3.50–$5 | |
| 1ai sdr1.6K50 2automated lead generation1700 | DR0 | Linking domains115 | Traffic0 | Ads0 | Price— | |
| 1ai sdr1.6K50 2lead generation services88029 | DR0 | Linking domains74 | Traffic0 | Ads0 | Price— | |
| 1ai sdr1.6K50 2cold email lead generation1400 3outbound sales automation405 | DR0 | Linking domains107 | Traffic0 | Ads0 | Price— | |
| 1ai agent identity110— 2email for ai agents110— | DR0 | Linking domains199 | Traffic0 | Ads0 | Price— | |
| 1domain finder2.9K86 2Outboxes140— 3cold email infrastructure110— | DR0 | Linking domains3 | Traffic0 | Ads0 | Price$14–$562 | |
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