A DNS server’s software may regard this as a hackers attack and block you up. At that the traffic may amount to 700 kbps. For example, if you use 600 threads, the application checks 600 domains at the same time sending up to 15 000 requests for DNS servers per minute. Please note that using the maximal number of threads is not always the best choice. You can define up to 600 threads which will be used simultaneously (one thread is used to check one e-mailĪddress/domain from mailing list and determine if domain/e-mails are still This bulk domain and email verfier is a multi-thread application. The bigger the list of DNS servers which can be used by E-mail Verifier, the less is the probability that a couple of DNS servers which have operating problems will affect the application’s performance. If all these attempts failed, the e-mail address is listed as not checked due to the connection timeout. If Bulk Verifier does not receive a response from a DNS server in a specified period of time (Options\Timeout, in seconds), it makes new attempts using another DNS service from the list each time. The time spent to find a previous check result in the cache practically does not depend on the cache size.īulk Verifier (Options\DNS) also influences deeply the application
Thus, it will take 40 MBytes of memory to store the results of check of one million different domains. It takes 40 bytes of memory to store the result of one domain check. Cache size is limited only by the memory size of your computer. If another e-mail address from the same domain will be found in the same mailing list, Bulk Verifer will not request the DNS server once again but will use the result from the cache. This advanced email verifier stores domain check results in the internal cache. To specify the format of the incoming file please turn to the Options dialog. It’s supposed that one line of an incoming file contains one e-mail address and/or one domain. For example, you can export a worksheet of an MS Excel file to check availability of e-mail addresses/domains listed there. containing the same fields separated with the same delimiter). Like CSV file where lines represents multi-field records of the same structure (i.
Pasting some email addresses for validation, it begins to verify each e-mail address.ĭomain and email verifier tool can process both plain list of e-mail addresses / domains where each line contains one item and files of more complex structure We recommend the deep processing mode ofīulk Verifier as a slow but high-quality tool for checking of not very large mailing lists. Optimal data amount for this mode is 70.100 thousand e-mail addresses. Mode (default), Bulk Verifier works significantly slower but provides much more precise results. We recommend the fast processing mode ofīulk Verifier as a high-speed tool for sifting obvious rubbish out of large mailing lists containing millions of e-mail addresses. This mode does not ensure the highest accuracy of checking/cleaning but is optimal by expended time and traffic and provides quite sufficient results. In its fast mode Bulk Verifier works extremely fast being able to process mailing lists containing dozens of millions of e-mail addresses at a speed of several thousands addresses per second. Offers you two processing modes fast and deep. It can perform several checks against an email address including syntax, dns MX lookup, top level domain name validation, and even mail server validation. Verify Email addresses in mailings, stops emailīouncing. It hasĬomplex email address validation algorithms minimizes bounced emails. domain returns while increasing the accuracy of a mailing list. These tests reduces drastically the number of bad email
Load email or domain lists from CSV and TXT files and the validation process starts with a syntax checking, follows with domain validation, and follows withĭifferent dynamic and real time tests to validate a given account.
#Bulk email verifier service verification
Welcome to Bulk Verifier, a powerful email verification software, the efficient way to verify bad email addresses and invalid domains. Bulk Email Verifier - Email Verifying Software to Check Validity of Email Addresses
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